Injnji Performance Original Weight Mini Crew Toesocks, Black Rainbow, Small 70% recycled Polyester/ 35% Nylon/ 5% Lycra Imported 70% COOLMAX EcoMade  25% Nylon   5% Lycra Recipient of the 2008 Seal of Acceptance by the American Podiatric Medical Association (APMA) for its ability to effectively manage moisture and promote healthy digital alignment Made with CoolMaxEcoMade, a highly-evolved fabric made from recycled resources, breathable, soft and durable Machine wash on warm or hand wash your toesocks after each use, and line dry. Do not machine dry or dry clean your toesocks. China