Dickies Men's 1 Pack Steel Toe Merino Wool Arch Compression Crew Socks 79% Wool/18% Nylon/2% Polyester/1% Lycra Imported Machine Wash New steel toe extended reinforcement for protection and durability Premium merino wool fiber provides superior warmth Wicking, moisture management fibers keep feet dry Ventilation channels engineered for air circulation and moisture control Arch compression hugs feet and keeps socks in place, while providing in-step support while full cushion comfort New steel toe extended reinforcement for protection and durability Premium merino wool fiber provides superior warmth Wicking, moisture management fibers keep feet dry Ventilation channels engineered for air circulation and moisture control Arch compression hugs feet and keeps socks in place, while providing in-step support while full cushion comfort Contents: 52% Wool, 45% Polyester, 2% Rubber, 1% Spandex