Speedo Big Boys' Youth Circle Sound Splice Xtra Life Lycra Jammer 80% Nylon, 20% Xtra Life Lycra Imported 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 Drawstring inner waist and unique 9 thread flatlock stitching for superior fit and feel Jammer styling provides more coverage and uv sun protection Made by speedo, the world's #1 swim brand