Niteo Certified Organic Cotton Baby Socks 6-Pack: Natural Colors, No Dyes CERTIFIED ORGANIC COTTON: Certified to be free of chemicals and pesticides from seed to socks! GOTS Certified Organic Cotton 85% Organic Cotton, 12% Spandex, 3% Nylon Dye-Free. Naturally Colored Organic Cotton Super Soft Organic Cotton keeps baby comfy and retains shape wash after wash 0-3m: 3" sole length, 3-12m: 3.5" sole length, 12-24m: 4" sole length