Dickies 2-Pair Premium Men's Steel Toe Thermal Wool Crew Socks 6-12 - All Colors 15% nylon Full cushion foot & leg. Ventilated channel. Steel toe reinforcement. Arch compression. Wool blend - Keeps you warm and dry. Black and Navy: 58% polyester, 17% wool, 14% nylon, 8% acrylic, 3% rubber. Brown: 38% acrylic, 30% polyester, 15% nylon, 14% wool, 2% rubber, 1% other.