New Balance Kids Unisex 3 Pack Crew Socks 68% Polyester/27% Cotton/4% Spandex/1% Nylon Imported NB DRY moisture management technology quickly moves sweat to keep feet cool and dry. Knit-in size indicators (S, M, L) on toes. Stability Fit built in for enhanced arch support Reinforced y-heel pocket keeps socks in place. Classic crew length style