CoolMax Boot Socks for Equestrians These riding boot socks deliver wicking performance to help move moisture away from skin. They are the best way to remove continuous sweat away from your feet and help keep them feeling relaxed and comfy. When you wear COOLMAX you will feel dry and cool so you can be active and feel great. Coolmax polyester is designed to draw moisture away from your feet towards the outside where it more easily evaporates. The key is a four channel fiber with large spaces between the filaments. Color: Black with Grey, Brown with Grey, Pink with Grey.