Unisex Coton Sock. Mephisto socks are crafted from the most luxurious materials to provide natural temperature control and moisture management. These socks are uniquely designed to provide a superior walking experience when combined with Mephisto footwear. Super soft pima cotton allows you to remain comfortable keeping moisture from building up between your skin and the sock. It protects against heat or cold by providing thermal insulation as the cotton traps air between the filaments. Olefin's advantages are its strength, colorfastness and durability. The 2-inch cuff, follows your movements without slippage. The deeper heel pocket is anatomically designed to hug the shape of your foot. The flat seam toe box prevents blisters and irritation of the toes for ultimate comfort. Extra Plush Cushioning for impact resistance and protection from blisters-causing friction. Sizing: SM: Women's shoe size 5-8; Med: Women's shoe size 9-12 or Men's shoe size 7-10; LG: Men's shoe size 11-14.