Speedo Little Boys' UPF 50+ Learn-To-Swim Rashguard 80% Nylon/20% Xtra Life Lycra Imported Trademarked Block the Burn technology with UPF 50+ protection Vibrant 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 Easy pull on crew neck styling Made by Speedo, the world's premier aquatics brand