Features a unique construction with shin padding for protection and warmth. The combination of Merino Wool and THERMOCOOL(TM) results in faster drying and wicking than just Merino Wool while still maintaining a comfortable feel against the skin. THERMOCOOL(TM) works to regulate body temperature. Best suited for cold weather activities where moisture is an issue. This is a fantastic sock for skiers looking who need warmth and dryness on the slopes. Features: - THERMOCOOL(TM) works with the body's natural thermal capabilities the help regulate body temperature - Merino Wool for warmth and a soft feel against the skin - 10% Ea. Lycra(R) all throughout the sock means no slipping or bunching up. These socks will stay up all day long. - Light cushioning on the shin for protection - The Flat Knit Toe Seam means no irritation on your toes - Height: Over Calf - Cushioning: Shin Only - Contents: 40% Polyester THERMOCOOL(TM), 40% Merino, 10% Nylon, 10% EA. Lycra(R) Sizing: - Small: M5-7 / W6-8.5 - Medium: M7.5-9.5 / W9-11 - Large: M10-12.5 / W11.5+ - X-Large: M13-15