These heavyweight, mid-calf FoxSox with thermalined construction provide warmth all day. Extra softness and cushion will keep you comfortable and dry no matter what you're wading through. Our exclusive Wick Dry® technology keeps feet dry. Wick Dry moisture management to keep feet dry and comfortable Strategic padding in footbed for shock absorption, flexibility, and comfort No-rub, irritation-free comfort toe seam Reinforced toe and heel add durability and longer sock life 63% Acrylic, 22% Nylon, 13% Wool, 2% Spandex Style #7986