Carter's Baby Boys' 3 Pack Monster Computer Socks, Multi, 12 24 Months Front: 58% Acrylic/28% Polyester/11% Cotton/2% Spandex/1% Rubber; Middle: 67% Cotton/30% Polyester/2% Spandex/1% Rubber; Back: 56% Cotton/30% Polyester/11% Acrylic/2% Spandex/1% Rubber Imported Machine Wash Pack includes 3 pairs of knit socks, with knit in designs Soft cotton blend, non skid soles