Keep your toes warm with the Heat Holders Men's Dunnock Twist Crew Socks. The advanced thermal yarn offers warmth, and the fabric composition of 91% acrylic, 5% nylon, 3% polyester, and 1% elastane insulates feet. The brushed interior provides a soft feel, and the non-binding design promotes circulation. Heat Holders Men's Dunnock Twist Crew Socks Black - Western And Thermal Socks at Academy Sports