Thorlo Ski Thin Cushioned Socks. Designed for: Skiers who prefer a closer fitting boot. Also suitable for Cross Country, Ski Touring, and Telemark. Features: Thermolite® for maximum warmth and wicking. Thin cushioning in ball/heel for shear protection and comfort. Thin cushioning in shin protects from boot pressures; flat knit instep and arch for better fit and ventilation.