Have no fear… Bombas and Marvel are rounding out your back-to-school outfits with a limited-edition gift box of fan-faves—Captain America, Iron Man, Hulk, and Spider-Man—in Bombas's Youth Ankle Sock, made with a soft cotton blend, cushy footbed, and a blister-fighting heel tab built for school days, recess runs, and everyday heroics. 4 purchased = 4 donated.