Soft Merino wool fibers keep you itch-free while drawing moisture away from your skin. The medium weight knit and fully cushioned sole add all-day comfort. Spandex compression arch holds form and adds support Fully cushioned sole absorbs shocks and insulates Reinforced toe and heel add durability and longer sock life Smooth, flat comfort toe seam 70% Merino wool, 29% stretch nylon, 1% spandex Style #2012