Speedo Men's Xtra Life Lycra Mighty Python Brief Swimsuit 74% Nylon/26% Xtra Life Lycra Xtra life lycra fabric lasts 5 to 10 times longer to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Unique 9 thread flatlock stitching for superior fit and feel Traditional performance brief with 3" side panel Made by speedo, the world's #1 swim brand