Merino wool is where it's at in these soft, itch-free socks. Merino wool adds warmth and is naturally thermoregulating. Thermalined construction absorbs shocks and insulates while Wick Dry™ technology keeps feet dry. Contoured rib top holds socks in place to eliminate slippage Fully thermalined construction absorbs shocks and insulates Reinforced toe and heel add durability and longer sock life Made to resist the friction that causes blisters and hot spots Smooth, flat comfort toe seam 40% Merino wool, 40% acrylic, 17% nylon, 2% spandex, 1% polyester Style #2450