Warrior Alpaca Socks - Boy's Outdoor Alpaca Wool Socks - Terry Lined Footbed - Grey Heather Crew - Ribbed Our proprietary blend contains: 44Alpaca/36Acrylic/10Nylon/10Lycra(C) Machine wash cold - tumble dry on lowest setting. Now children can enjoy the softness that alpaca socks offer and keep them safe with their flame retardant properties. Please use size chart in images for accurate sizing. Made from Superfine Alpaca which provides softness as well as Lycra and Nylon to maintain the shape and fit. The perfect sock for indoor or outdoor play especially snow sledding. Terry lined for cushion and comfort, naturally hypoallergenic and undyed with a reinforced ribbed leg that will keep them from falling down in all your children's activities. Alpaca keeps feet warm in cold climates and cool in warm climates, wicking away moisture never overheating, the number one cause of kids wanting to take their socks off. Fully machine washable and will keep shape after a tumble dry.