Speedo Big Boys' Star Mania Youth Jammer Swimsuit 51% Pbt, 49% Polyester Imported All the long lasting performance qualities of our endurance+ fabric in a 10 percentage lighter weight that resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine From our race and performance line in waist sizing Drawstring inner waist for secure fit and adjustment Four-way stretch jammer styling provides more coverage with uv sun protection and adds compression to reduce fatigue Made by speedo, the world's premier aquatics brand