Warrior Alpaca Socks - Men's Non-Skid Mini Crew Alpaca Wool Sock - Ankle High 41Alpaca/34Acrylic/23Nylon/2Lycra Non-Slip Soles Provide Secure Traction on Slippery Surfaces. **NOTE** We have amended the sizing on this sock and updated the inventory at Amazon. Please use the sizing chart image to determine fit. Made from Natural Alpaca and other microfibers. This sock is 100% Wool Free, Hypoallergenic, and allows feet to breathe. The non skid Warrior Pattern provides a safe surface for gripping floors, yoga mats and more. Terry lined foot pad allows for comfort and cushions feet, reducing friction, so that they are blister free. This also creates a soft environment for feet, reducing calus build up. Alpaca keeps feet warm in cold climates and cool in warm climates, a perfect all-season property. These socks will keep feet protected instead of going bare foot in gyms, yoga studios, even at home! Easy care - Machine wash in cold water and tumble dry on air setting or air dry.