Ideal even for the most challenging conditions Ventilation zones for better breathability and temperature control Loop stitched pile for extra volume and protection Padded heel and toe for more support Flat toe seam Arch bracing for reducing friction and prevent blisters Material: 56% Acrylic, 25% Wool, 18% Polyamide, 1% Elastane Manufacturer: 1000 Mile Manufacturer's number: 2276G 1000 Mile Combat Socks Green/Charcoal