High performance ski socks are designed to provide great cushioning and support while at the same time keeping your feet warm and toasty! The secret ingredients are merino wool blended with polyester for durability and maybe a touch of lycra. This gives the ability to keep sweaty feet warm, and wick as much moisture as possible out of the whiffy boot liner. Too much merino and they don’t last, too much polyester and they pong. A good sock is like Mother Bear’s porridge…