The Falke(R) Walkie Ergo Socks are designed for a great fit with built-in durability to keep your feet comfortable and happy while staying active in the mountains. The premium blend of materials help dry the skin, reduce unpleasant blisters and uphold comfort for maximum wear. Ribbed leg and cuff ensure optimum hold. Anatomically shaped plush padding from heel to toe. 63% virgin wool, 35% polyamide, 2% elastane. Machine wash cold, line dry.