Crafted from premium Merino wool, the Cold Weather OTC Socks complements all 5.11 footwear. The over-the-calf length promotes support, and terry loop construction ensures warmth, while repelling cold. Integrated ankle and arch supports and heel, sole, and toe reinforcements enhance performance and durability, regardless of the environment. These socks are antimicrobial and moisture-wicking, so you'll stay warm, dry, and ready. Superior comfort, agility, and traction make these socks ideal for any mission and every day.