Perfect for use in a wide variety of weather conditions, these 100% waterproof ankle-length socks feature a three-layer construction for warmth, durability and waterproofing. A 100% waterproof hydrophilic membrane sits between a premium Merino wool interior for warmth and sweat-wicking, whilst a durable Polycolon exterior with 4-way stretch features for great fit and wearability. Feet are offered extra support and kept very comfortable with zonal elastication on the ankle, heel and instep where you need it most and there is also anti-blister technology on offer, with hand-linked flat toe seams helping to prevent rubbing.