Ski from first lift to last with the SmartWool PhD Ski Medium Pattern Sock. Merino wool delivers maximum warmth to keep your feet toasty when the going gets cold, while mesh ventilation zones prevent your foot from getting swampy after a long day in ski boots. Medium cushioning at the shin and foot offers warmth and impact absorption, while a 4 Degree Elite Fit system ensures your sock stays in place. Constructed using SmartWool's Indestructawool technology, these socks provide exceptional durability and comfort, leaving you free to enjoy the skiing.