Darn Tough Function X Over-the-Calf Midweight Cushion Socks Women'sIt's not often that feet get all the glory, which is why the brand loaded these moisture wicking Darn Tough Function X Over the Calf Midweight Ski and Snowboard Sock with details that make 'em fit an feel the best. The new Function X combines strategic cushioning and thinner, more breathable panels on top of the foot to reduce uncomfortable brunching and pressure. The payoff? Superior grip, better tech, and more control as you hunt for the next powder