ToBeInStyle Boy's Pack of 6 Seamless Boxer Briefs Anime Robot Pull On closure Stock up on these 6 Pairs of cool and stylish Boys Boxer Briefs, and your kids will be in complete comfort. Sizes: Small (Ages 4-7), Medium (Ages 8-11) and Large (Ages 12-14) 90% Nylon 10% Spandex Machine wash warm; tumble dry Black, Charcoal, Green, Navy, Red and Royal Blue