Even the most epic ski days get a little better when you have the Smartwool Men's Phd Pro Free Ski Sock between your foot and your boot. Designed with the high-impact style of freeskiing in mind, the Phd Pro Free feature extra cushioning on the ball and heel areas to give you a little extra shock absorption as you drop cliffs and hit kickers. An anatomical fit snugly cradles the contours of your foot to prevent any bunching and slipping, while a flat-knit toe box eliminates friction for a seamless in-boot feel. Even on warm spring days the mesh venting zones prevent your foot from getting too hot, and the durable wool blend construction ensures these will be your go-to socks season after season.