Speedo Men's Team Collection Home Of The Fast Jammer Swimsuit 80% Nylon, 20% Extra Life Lycra From the team speedo collection to honor our world champion swimmers 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 Jammer styling provides more coverage and greater compression Made by speedo, the world's number 1 swim brand