The Jane Grip Sock delivers knee-high performance in GOTS certified organic cotton. Featuring TAVI's signature non-slip pattern, supportive arch compression, and extended length design, this sock provides secure warmth for extended studio sessions. The Jane Grip Sock delivers knee-high performance in GOTS certified organic cotton. Featuring TAVI's signature non-slip pattern, supportive arch compression, and extended length design, this sock provides secure warmth for extended studio sessions. Non-slip grip sole Hygienic alternative to bare feet Supportive arch band GOTS certified organic cotton Our socks are made with the softest, GOTS certified organic cotton. This international textile production certification is the toughest organic textile standard & includes every step of manufacturing, from ensuring there are no toxic substances to overseeing how employees are treated. 81% Organic Cotton 16% Nylon 2% Elastane 1% Elastodiene