Carter's Baby Boys' 3 Pack Anchor Computer Socks Anchor: 47% Cotton, 42% Polyester, 7% Nylon, 2% Spandex, 2% Rubber; Stripe1: 67% Cotton, 23% Polyester, 6% Nylon, 2% Rubber, 2% Spandex; Stripe2: 50% Polyester, 40% Cotton, 6% Nylon, 2% Rubber, 2% Spandex Imported Machine Wash Knit-in design and stripes Non skids