41Alpaca/34Acrylic/23Nylon/2Lycra Non-Slip soles provide secure traction on slippery surfaces. **NOTE** Please use the sizing chart image at left 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 unisex socks will keep feet protected instead of going barefoot in gyms, yoga studios, even at home! Easy care – Machine wash in cold water and tumble dry on air setting or air dry.