Carter's Baby Boys' 3 Pack Sport Computer Socks, Multi, 12 24 Months Front: 42% Cotton/30% Polyester/25% Acrylic/2% Spandex/1% Rubber; Middle: 68% Cotton/30% Polyester/1% Spandex/1% Rubber Imported pull-on closure Machine Wash Knit-in designs heather yarns and non skids