These heavyweight FoxSox are designed for cold to moderate temperatures. A layer of soft acrylic adds comfort against the skin while wool naturally insulates. Our exclusive Wick Dry technology manages moisture to keep feet dry. Reinforced toe and heel add durability and longer sock life. Fully cushioned construction absorbs shocks and insulates. Smooth, flat comfort toe seam. 62% acrylic, 20% stretch nylon, 17% worsted wool, 1% spandex.