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Performance Flex Boxers by Kings' Court®

$17.99 - $22.99
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Item #: 1176-23186-1301

Our performance boxers wick moisture away from your skin to inhibit the growth of bacteria and viruses. Plus, they're tagless for ultimate comfort. Polyester/spandex fabric offers a soft feel with a little extra stretch. This is underwear for runners and other athletes who know they're going to break a sweat.

 

  • roomy fit for athletes with wide legholes
  • 5" inseam for breathing room where it matters
  • plush wide elastic waistbands prevent roll-over
  • center back seam
  • open hem
  • tagless label
  • chafe free fabric all over
  • 1 pair per package
  • flexible, breathable spandex/polyester blend
  • machine wash; imported

 

Big and tall mens boxers in sizes 2XL, 3XL, 4XL, 5XL, 6XL, 7XL

 

Read more:

Our athletic boxers were designed with careful consideration for the needs of the big and tall athlete. Just like you, we're not messing around when it comes to underwear: moisture-wicking fabric keeps you dry and odor-free, and open hemming and wide legs provide you with the freedom of movement you need to perform your best. Chafe free fabric adds to the comfort, because you have bigger things to worry about than your boxers -- but having a quality pair like this is nice.

 

Reasons to Buy:

Our customers love these boxers, saying they're so lightweight and soft they feel like they're wearing nothing at all.

Men's Clothing Size Chart      International size chart


Clothing Size Chart

To help you achieve the best fit possible, we've provided a few tips for you to use as a guide when taking your body measurements. We have also provided a size chart to assist you when selecting merchandise.

Big and Tall Sizing

You should order Tall if you are 6' 2" or taller and your waist measures less than your chest.

You should order Big if you are 6' 2" or shorter and your waist measures the same or larger than your chest.

Clothing Size Chart

Shoes Size Chart

Shoe Size Chart

Sock Size Chart

Sock Size Chart

REVIEW SNAPSHOT®

by PowerReviews
Kings' CourtPerformance Flex Boxers by
 
4.2

(based on 92 reviews)

83%

of respondents would recommend this to a friend.

Pros

  • Comfortable (79)
  • Soft (74)
  • Breathable (68)
  • Good size/fit (40)
  • Stays in place (35)

Cons

  • Wears out quickly (8)
  • Poor fit (5)
  • Poor quality (3)
  • Weak seams (3)

Best Uses

  • Everyday (66)
  • Casual dresser (48)
  • Sleeping (42)
  • Athletic (29)
  • Casual wear (6)
    • Sizing:
    • Feels too small

       

      Feels true to size

       

      67% 

      (6 reviews)

      Feels too large

       
    • Waist:
    • Feels too small

       

      Feels true to size

       

      82% 

      (61 reviews)

      Feels too big

       
    • Reviewer Profile:
    • Comfort driven (70), Casual dresser (7), Style driven (5)
    • Was this a gift?:
    • No (79), Yes (7)
    • Comfort vs Style:
    • Comfort driven (6)

Reviewed by 92 customers

Displaying reviews 1-30

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5.0

Very roomy and comfortable

By 

from Akron OH

About Me Casual Dresser

Verified Buyer

Pros

  • Comfortable
  • Practical
  • Washes Well
  • Well Made

Cons

    Best Uses

    • Casual Wear
    • Date Night/Night Out
    • Wear To Work

    Comments about Kings' Court Performance Flex Boxers by:

    These boxers are silky and comfortable

    • Sizing:
    • Feels true to size
    • Comfort vs Style:
    • Comfort Driven
    • Was this a gift?:
    • Yes
     
    3.0

    Product ok, but

    By 

    from WI

    About Me Casual Dresser

    Verified Buyer

    Pros

    • Comfortable
    • Washes Well
    • Wrinkle Resistant

    Cons

      Best Uses

      • Casual Wear

      Comments about Kings' Court Performance Flex Boxers by:

      The specifications sounded just like the buck naked ad, BUT these are not the same material, quality, or performance. However, better than cotton alternatives.

      • Sizing:
      • Feels too large
       
      5.0

      I look forward to when this item shows up in you catalog

      By 

      from Chandler, AZ

      About Me Casual Dresser

      Verified Buyer

      Pros

      • Comfortable
      • Practical
      • Washes Well
      • Wrinkle Resistant

      Cons

        Best Uses

        • Casual Wear

        Comments about Kings' Court Performance Flex Boxers by:

        I look forward to when this item shows up in you catalog. I wish they were their all the time. I have purchased these on a number of occasions and really like the fit

        • Sizing:
        • Feels true to size
        • Comfort vs Style:
        • Comfort Driven
        • Was this a gift?:
        • No
         
        5.0

        Will never buy other underwear

        By 

        from Buckingham, Pa.

        About Me Casual Dresser

        Verified Buyer

        Pros

        • Comfortable
        • Practical
        • Quality Materials
        • Washes Well

        Cons

          Best Uses

            Comments about Kings' Court Performance Flex Boxers by:

            Have used this product for years. Wish King Size always stocked them ... but when I see them available I buy 6 pair.

            • Sizing:
            • Feels true to size
            • Was this a gift?:
            • No

            (0 of 1 customers found this review helpful)

             
            3.0

            A Few Disapointments This Time Around

            By 

            from Wisconsin

            About Me Classic Dresser

            Verified Buyer

            Pros

            • Comfortable
            • Practical

            Cons

            • Irregular Fit
            • Unusual Color

            Best Uses

            • Boxers/Underwear
            • Loungewear

            Comments about Kings' Court Performance Flex Boxers by:

            Was looking forward to getting red boxers and got something that's sort of reddish/orange. As big as I am, I still go for being romantic sometimes. Can a big guy get white boxers with red hearts on them? I thought plain red might do the trick, but these were not what I would call a true red. I still like this product and recommend it. The fabric is smooth and makes it easier to slide in and out of pants, or just relax.

            There was some discrepancy with fit in this order and one pair felt cut better and sturdier than the other two. Overall, I still really like this item and would order again. I think the 7X would benefit from being made with a somewhat heavier fabric weight. The weight of the fabric would not be as much of an issue in the smaller sizes, but in a big size, this fabric tends to cling in places - especially around the thighs.

            • Sizing:
            • Feels too small
            • Was this a gift?:
            • No
             
            3.0

            This underwear is good. But service and delivery is pityful.

            By 

            from North Carolina

            About Me Casual Dresser

            Verified Buyer

            Pros

            • Comfortable
            • Practical
            • Washes Well
            • Wrinkle Resistant

            Cons

              Best Uses

              • Casual Wear
              • Wear To Work

              Comments about Kings' Court Performance Flex Boxers by:

              No

              • Comfort vs Style:
              • Comfort Driven
              • Was this a gift?:
              • No
               
              5.0

              Excellent seller, value, product

              By 

              from South Carolina

              About Me Casual Dresser

              Verified Buyer

              Pros

              • Comfortable
              • Practical

              Cons

                Best Uses

                • Casual Wear

                Comments about Kings' Court Performance Flex Boxers by:

                Excellent value, price, quality

                • Sizing:
                • Feels true to size
                • Comfort vs Style:
                • Comfort Driven
                • Was this a gift?:
                • No
                 
                5.0

                I would and have bought these again.

                By 

                from Pittsboro, nc

                Verified Buyer

                Comments about Kings' Court Performance Flex Boxers by:

                I love these am a big man and these really help with chafing when out in the heat!

                • Sizing:
                • Feels true to size
                • Comfort vs Style:
                • Comfort Driven
                • Was this a gift?:
                • No

                (2 of 2 customers found this review helpful)

                 
                4.0

                Best Boxers I've Ever Worn!

                By 

                from WI

                About Me Classic Dresser

                Verified Buyer

                Pros

                • Comfortable
                • Practical

                Cons

                • Weak Seams

                Best Uses

                  Comments about Kings' Court Performance Flex Boxers by:

                  Keep selling these! These fit me more like boxer briefs than boxers, but I'm at the top end of the size range and always looking for more room. The fabric and stretch are both comfortable and practical. I could use a bigger size than a 7X with more rise on them, but once I got these on, I didn't want to take them off.

                  The only down side is that the front seam started to pop the first time I had them on. I'm going to stick with them anyway for the comfort level. Orange is OK. Gray is very nice! Red, White, Navy would be good colors too.

                  • Sizing:
                  • Feels too small
                  • Comfort vs Style:
                  • Style Driven
                  • Was this a gift?:
                  • No
                   
                  5.0

                  Best I have ever worn

                  By 

                  from Pekin, Illinois

                  About Me Casual Dresser

                  Verified Buyer

                  Pros

                  • Comfortable
                  • Practical
                  • Washes Well
                  • Well Made
                  • Wrinkle Resistant

                  Cons

                    Best Uses

                    • Casual Wear
                    • Date Night/Night Out
                    • Special Occasions
                    • Wear to School
                    • Wear To Work

                    Comments about Kings' Court Performance Flex Boxers by:

                    These boxers are the most comfortable I have ever worn. I have worn cotton briefs for years and on a whim I bought one pair of these boxers with another order. I was amazed at their comfort so I ordered 5 more pair. They are cool and I do not sweat nearly as much as I did with the briefs. The elastic waistband is wide and keep them from sliding down. So far I have washed them about half dozen times and they are holding up well. The color has not faded. Plenty of room to move and I hardly know I am wearing them. You can't go wrong with these.

                    • Sizing:
                    • Feels true to size
                    • Comfort vs Style:
                    • Comfort Driven
                    • Was this a gift?:
                    • No
                     
                    5.0

                    I wish it was not discontinued ... would buy more of these .

                    By 

                    from mid-south

                    About Me Comfort Driven

                    Verified Buyer

                    Pros

                    • Breathable
                    • Comfortable
                    • Good Fit/Support
                    • Soft

                    Cons

                      Best Uses

                      • Athletic
                      • Casual
                      • Everyday
                      • Sleeping

                      Comments about Kings' Court Performance Flex Boxers by:

                      I'm good ...

                      • Waist:
                      • Feels true to size
                      • Was this a gift?:
                      • No
                       
                      5.0

                      My Husband loves them

                      By 

                      from Kittery, ME

                      About Me Comfort Driven

                      Verified Buyer

                      Pros

                      • Breathable
                      • Comfortable
                      • Good Fit/Support
                      • Soft

                      Cons

                        Best Uses

                        • Everyday

                        Comments about Kings' Court Performance Flex Boxers by:

                        Please keep them in stock!!!!!!!!!!!!!!

                        • Waist:
                        • Feels true to size
                        • Was this a gift?:
                        • No
                         
                        5.0

                        Great Fitting Boxers

                        By 

                        from West Virginia

                        About Me Comfort Driven

                        Verified Buyer

                        Pros

                        • Breathable
                        • Comfortable
                        • Good Fit/Support
                        • Soft

                        Cons

                          Best Uses

                          • Athletic
                          • Casual
                          • Everyday

                          Comments about Kings' Court Performance Flex Boxers by:

                          These boxers do not ride up. Very comfortable!

                          • Waist:
                          • Feels true to size
                          • Was this a gift?:
                          • No

                          (2 of 2 customers found this review helpful)

                           
                          1.0

                          Disappointed...

                          By 

                          from Mifflinburg, PA

                          About Me Comfort Driven

                          Verified Buyer

                          Pros

                          • Breathable
                          • Soft

                          Cons

                          • Missing Elastic
                          • Poor Fit/Support
                          • Uncomfortable

                          Best Uses

                            Comments about Kings' Court Performance Flex Boxers by:

                            I've the previous version of these and they're awesomely comfy. So I ordered a few more pairs...when they arrived they were noticeabley different. The body of the underwear is fine, its the elastic waistband that is the problem. It's like they put on HALF of the elastic for my waist size. It felt like they were cutting me in half...an keep in mind I ordered the exact same size as before.
                            Very disappointed in this, as usual KSD can't keep anything around long enough for the customer to know if the cut an fit is going to be same/worse/or better.

                            • Waist:
                            • Feels too small
                            • Was this a gift?:
                            • No
                             
                            5.0

                            boxers

                            By 

                            from Bay area CA

                            About Me Comfort Driven

                            Verified Buyer

                            Pros

                            • Breathable
                            • Good Fit/Support
                            • Soft

                            Cons

                              Best Uses

                              • Athletic
                              • Casual
                              • Everyday
                              • Sleeping

                              Comments about Kings' Court Performance Flex Boxers by:

                              They fill great . cant wait untill they go on sale again .i will throw away all my other boxers and only wear this brand .they really feel great

                              • Waist:
                              • Feels true to size
                              • Was this a gift?:
                              • No

                              (2 of 2 customers found this review helpful)

                               
                              5.0

                              New Favorite Underwear

                              By 

                              from Connecticut

                              About Me Comfort Driven

                              Verified Buyer

                              Pros

                              • Breathable
                              • Comfortable
                              • Good Fit/Support
                              • Soft

                              Cons

                                Best Uses

                                • Casual
                                • Everyday
                                • Sleeping

                                Comments about Kings' Court Performance Flex Boxers by:

                                Big fan of the performance flex underwear. I've tried the boxer briefs, bicycle shorts, etc. These are great for someone with a large "front end". Comfortable. I hope the waist bands hold up better than the other styles have for me.

                                • Waist:
                                • Feels true to size
                                • Was this a gift?:
                                • No

                                (0 of 1 customers found this review helpful)

                                 
                                3.0

                                good fit

                                By 

                                from Wilmington, Nc

                                About Me Comfort Driven

                                Verified Buyer

                                Pros

                                • Breathable
                                • Comfortable
                                • Good Fit/Support
                                • Soft

                                Cons

                                  Best Uses

                                  • Athletic
                                  • Casual
                                  • Everyday
                                  • Sleeping

                                  Comments about Kings' Court Performance Flex Boxers by:

                                  no complaint

                                  • Waist:
                                  • Feels true to size
                                  • Was this a gift?:
                                  • No
                                   
                                  5.0

                                  The best I ever had!

                                  By 

                                  from Chicago

                                  About Me Comfort Driven

                                  Verified Buyer

                                  Pros

                                  • Breathable
                                  • Comfortable
                                  • Good Fit/Support
                                  • Soft
                                  • They Are Awesome

                                  Cons

                                  • No Complaints

                                  Best Uses

                                  • Athletic
                                  • Casual
                                  • Everyday
                                  • Sleeping

                                  Comments about Kings' Court Performance Flex Boxers by:

                                  They are perfect I use them everyday for work and play and every way simply the best!

                                  • Waist:
                                  • Feels true to size
                                  • Was this a gift?:
                                  • No
                                   
                                  4.0

                                  Love!

                                  By 

                                  from Springfield, MO

                                  About Me Comfort Driven

                                  Pros

                                  • Breathable
                                  • Comfortable
                                  • Soft

                                  Cons

                                  • Rides Up

                                  Best Uses

                                  • Casual
                                  • Everyday
                                  • Sleeping

                                  Comments about Kings' Court Performance Flex Boxers by:

                                  I got these for my husband, because of the material they are made of is his favorite. When we first got them we had to laugh they where HUGE (My husband is a m/l). I was about ready to return them, but my husband talked me into keeping them. Good thing we did because they are the only boxers he wears now! Have had no problem with any of sems and they have been washed well over 6 times!

                                  • Waist:
                                  • Feels too big
                                  • Was this a gift?:
                                  • Yes
                                   
                                  5.0

                                  Very nice boxers

                                  By 

                                  from Portland OR

                                  About Me Comfort Driven

                                  Verified Buyer

                                  Pros

                                  • Breathable
                                  • Comfortable
                                  • Good Fit/Support
                                  • Soft

                                  Cons

                                    Best Uses

                                    • Everyday

                                    Comments about Kings' Court Performance Flex Boxers by:

                                    A bit pricey but a fine product. Will buy again.

                                    • Was this a gift?:
                                    • No
                                     
                                    5.0

                                    Great Boxer, Great Value

                                    By 

                                    from Chicago

                                    About Me Comfort Driven

                                    Verified Buyer

                                    Pros

                                    • Breathable
                                    • Comfortable
                                    • Soft

                                    Cons

                                      Best Uses

                                      • Everyday

                                      Comments about Kings' Court Performance Flex Boxers by:

                                      This type of boxer is getting hard to find. My son has to have this type of elastic waistband in the larger size. This is the only place I was able to find them. Thank you !

                                      • Waist:
                                      • Feels true to size
                                      • Was this a gift?:
                                      • No
                                       
                                      5.0

                                      Just The Fit I Was Looking For.....

                                      By 

                                      from Winston Salem,NC

                                      About Me Comfort Driven

                                      Verified Buyer

                                      Pros

                                      • Breathable
                                      • Comfortable
                                      • Good Fit/Support
                                      • Soft

                                      Cons

                                        Best Uses

                                        • Casual

                                        Comments about Kings' Court Performance Flex Boxers by:

                                        Product Does Not Rise Up In My Groin Area, Comfortable Fit & Cool....

                                        • Waist:
                                        • Feels true to size
                                        • Was this a gift?:
                                        • No

                                        (0 of 1 customers found this review helpful)

                                         
                                        2.0

                                        SAD!

                                        By 

                                        from West Columbia, SC

                                        Verified Buyer

                                        Pros

                                        • Breathable
                                        • Comfortable
                                        • Soft

                                        Cons

                                        • Wears Out Quickly

                                        Best Uses

                                        • Sleeping

                                        Comments about Kings' Court Performance Flex Boxers by:

                                        It's so sad to purchase a garment, then have it come apart at the seams in the FIRST wash! If my doctor did not recommend I wear an oversized boxer to sleep in, I would never purchase Any of these boxers sold here. (I have had the same issues with the cotton ones as well.)Looks like its back to my sewing machine. Don't waste your money.

                                        • Was this a gift?:
                                        • No
                                         
                                        4.0

                                        Good product

                                        By 

                                        from Wisconsin

                                        About Me Comfort Driven

                                        Verified Buyer

                                        Pros

                                        • Comfortable
                                        • Soft

                                        Cons

                                          Best Uses

                                            Comments about Kings' Court Performance Flex Boxers by:

                                            These boxers are as advertised and are a good product.

                                            • Waist:
                                            • Feels true to size
                                            • Was this a gift?:
                                            • No
                                             
                                            5.0

                                            True To Form

                                            By 

                                            from Pittsburgh,PA

                                            About Me Comfort Driven

                                            Verified Buyer

                                            Pros

                                            • Breathable
                                            • Comfortable
                                            • Good Fit/Support
                                            • Soft

                                            Cons

                                              Best Uses

                                              • Everyday
                                              • Sleeping

                                              Comments about Kings' Court Performance Flex Boxers by:

                                              This is third purchase for this type of underwear.

                                              • Waist:
                                              • Feels true to size
                                              • Was this a gift?:
                                              • No

                                              (1 of 1 customers found this review helpful)

                                               
                                              4.0

                                              Fit but not much substance

                                              By 

                                              from Wisconsin

                                              About Me Style Driven

                                              Verified Buyer

                                              Comments about Kings' Court Performance Flex Boxers by:

                                              I like the idea behind these boxers. I like that they are cut bigger, and have some stretch. Shorts like these fit me better when the rise is about the same length as the width. These are approaching that in proportion. I wish you'd also offer a size-8X and 9X in these. Fabric feels a little too lightweight and flimsy, and I wish they were sturdier and felt more like a man's boxer short without having to resort to cotton. Thank you for working to improve these, they are the kind of underwear I have been looking for a long time now.

                                              • Waist:
                                              • Feels too small
                                              • Was this a gift?:
                                              • No
                                               
                                              5.0

                                              amazing boxers

                                              By 

                                              from Aurora IL

                                              About Me Comfort Driven

                                              Verified Buyer

                                              Pros

                                              • Breathable
                                              • Comfortable
                                              • Good Fit/Support
                                              • Soft

                                              Cons

                                                Best Uses

                                                • Athletic
                                                • Casual
                                                • Everyday
                                                • Sleeping

                                                Comments about Kings' Court Performance Flex Boxers by:

                                                Most comfortable boxers I've ever worn!

                                                • Waist:
                                                • Feels true to size
                                                • Was this a gift?:
                                                • Yes
                                                 
                                                5.0

                                                Total Knockout for these "Boxers"

                                                By 

                                                from Walnutport, Pa.

                                                About Me Style Driven

                                                Verified Buyer

                                                Pros

                                                • Breathable
                                                • Comfortable
                                                • Exactly The Materialtype
                                                • Good Fit/Support
                                                • Soft

                                                Cons

                                                  Best Uses

                                                  • Casual
                                                  • Everyday
                                                  • Sleeping

                                                  Comments about Kings' Court Performance Flex Boxers by:

                                                  I was looking for this particular type of material used in these boxers. soooo glad I found them here in your catalogue. very happy with purchase

                                                  • Waist:
                                                  • Feels true to size
                                                  • Was this a gift?:
                                                  • No

                                                  (1 of 1 customers found this review helpful)

                                                   
                                                  1.0

                                                  Poor Product not worth the product

                                                  By 

                                                  from Chicago, Il

                                                  About Me Comfort Driven

                                                  Verified Buyer

                                                  Pros

                                                  • Breathable
                                                  • Comfortable

                                                  Cons

                                                    Best Uses

                                                    • Everyday

                                                    Comments about Kings' Court Performance Flex Boxers by:

                                                    These products are underwear and after two washes the spandex is falling apart the seam are coming undone. They will not last a month.

                                                    • Waist:
                                                    • Feels true to size
                                                    • Was this a gift?:
                                                    • No
                                                     
                                                    3.0

                                                    Nice, but not durable...

                                                    By 

                                                    from Swedesboro, NJ

                                                    About Me Comfort Driven

                                                    Verified Buyer

                                                    Pros

                                                    • Breathable
                                                    • Comfortable
                                                    • Good Fit/Support
                                                    • Soft

                                                    Cons

                                                    • Wears Out Quickly

                                                    Best Uses

                                                    • Casual
                                                    • Sleeping

                                                    Comments about Kings' Court Performance Flex Boxers by:

                                                    Nice product, but after two washings all the waistbands are starting to fray. Significant durability issue means I cannot recommend; it's a shame, though, because all other factors are very appealing.

                                                    • Waist:
                                                    • Feels true to size
                                                    • Was this a gift?:
                                                    • No

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