• Modacrylic fiber extinguishes itself by carbonizing and forms a charred barrier that prevents flames from spreading • Wick Dry® construction keeps feet dry and comfortable by wicking moisture away, reducing blisters and hot spots • All around cushioned foot for shock absorption • Cushioned shin for extra padding against boot lacing • Instep panels channel moisture away and promote air flow • Spandex arch and ankle panels promote circulation and hold sock in place Content: 85% Modacrylic, 13% nylon, 2% spandex |