Description The Carhartt Menâs Carbon Heather Twin Knit Midweight Crew Sock delivers durability, comfort, and performance for all-day wear. Built with twin knit yarn mapping and a wool blend, these socks wick moisture, fight odor, and regulate temperature while keeping a secure fit.Product Description:39% acrylic, 32% nylon, 20% merino wool, 4% Coolmax polyester, 3% elastaneMoisture-wicking, odor-resistant wool blend with cooling Coolmax yarnsCushioned heel and toe with secure heel pocketRibbed cuffs and channels for comfort and ventilation