Crafted from premium Merino wool, Cold Weather Crew Socks complement all 5.11 footwear. Terry loop construction at the calf and ankle ensures warmth and repels cold, while integrated ankle and arch supports and heel, sole, and toe reinforcements enhance performance and durability, regardless of the environment. These socks are moisture-wicking and use odor control technology that inhibits the growth of odor-causing bacteria, so you'll stay warm, dry, and ready. Superior comfort, agility, and traction make these socks ideal for any mission and every day. Material: Merino Wool.