Nothing?s worse than a great ski day ruined by uncomfortable feet The Spyder Pro Liner Ski Sock is made to help keep that from happening With extra moisture management ability built in they?ll keep feet dryer for longer And with 2pct Elastane yarn added to the Acrylic Pillex and Nylon blend they?re easier to get on and stay where they need to be They also feature medium compression at the ankle and arch to encourage blood flow and keep your feet happy all day long