Designed for game-changing comfort, the Flex Boxer Briefs from the exclusive Gronk x BYLT Underwear Collection provide all-day support, breathability, and temperature control. Crafted with flex-knit fabric and cool-touch mesh, they're available in limited-edition prints handpicked by Gronk.
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Customer Reviews
Don't just take it from us.
- Doug P.Verified BuyerReviewingGronk x BYLT Flex Boxer Briefs Flower-Shadows / MI recommend this productWhat is your height? 5' 7"What is your body type? AverageWhat is your usual clothing size? MRated 5 out of 5 stars1 month agoGreat color and quality
These are very cool. Love the color and the quality behind them. I am more than thrilled with them. Love the Gronk styles!
- John C.Verified BuyerReviewingFlex Boxer Briefs Steel / 2XLI recommend this productWhat is your height? 6' 1"What is your body type? AverageWhat is your usual clothing size? XLRated 5 out of 5 stars1 week agoBriefs
Best briefs I have had the pleasure of wearing. They are nt cheap but worth every penny.
- Zach S.Verified BuyerReviewingFlex Boxer Briefs Black / LI recommend this productWhat is your height? 6' 0"What is your body type? AverageWhat is your usual clothing size? LRated 5 out of 5 stars2 weeks agoAs good as it gets
Stretches and fits well around waist and thighs. Comfortable and worth it!
- Frank H.Verified BuyerReviewingGronk x BYLT Flex Boxer Briefs Gronk-Football / MI recommend this productWhat is your height? 5' 9"What is your body type? AverageWhat is your usual clothing size? MRated 5 out of 5 stars1 month agoComfortable
True to size, very comfortable, great looking.
- ROBERT G.Verified BuyerReviewingGronk x BYLT Flex Boxer Briefs Flower-Shadows / LI recommend this productWhat is your height? 5' 9"What is your body type? AverageWhat is your usual clothing size? LRated 5 out of 5 stars1 month agoPink boxers
Love the color and the fabric.