TravelSox Women's Snowride Medium Weight Over the Calf Socks 100% Cotton 100% Microsupreme,Microsupreme is a hollow core micro denier fiber that keeps feet dry and comfortable Ultra flat seam toe pocket closures are constructed to give the user a basically seamless toe that improves fit and elimiates pressure points with anatomical padding specifically designed to fit a female snowboarders needs Ventilation channels are located on both sides of the sock and connect with the ribs to transport moisture out fo the sock away from the foot. Ribbed cuffs are the finished tops that insures the sock stays up and fits comfortably without pressure points machine wash and dry