Key Thicken Areas - advanced knitting techniques provide cushioning in the shin, ankle, and the foot areas, keep warm, and to ensure the ultimate comfort and prevent any discomfort when worn with ski boots. Absorbent and breathable - The ski socks selected cotton in the ski socks is moisture wicking, preventing any buildup of sweat. They are also breathable and thermal regulating, keeping feet at the perfect temperature. Arch Support - An elastic arch support provides comfort and helps to reduce fatigue in the feet, Enjoy your day skiing or snowboarding without having to worry about Uncomfortable. Great Breathability - The mesh structure accelerates air circulation, increases breathability, and keeps the feet comfortable and dry, It stays warm in winter.