Choice Alpaca™ Superwarm Socks are the perfect “Alpaca Ambassadors” of what the American alpaca industry is all about! A super warm, soft, strong, comfortable and MACHINE WASHABLE alpaca sock. Choice Alpaca Socks are a blend of excellent quality alpaca, microfiber, and nylon to offer the best of warmth, durability, wash-ability, and comfort—all at an affordable price! Materials: blend of 50% alpaca with nylon and acrylic