Soft Merino wool fibers keep you itch-free while drawing moisture away from your skin. The medium weight knit and full lining cushion your foot on your next quest. Spandex compression arch holds form and adds support Fully thermalined design absorbs shocks and insulates Reinforced toe and heel add durability and longer sock life Smooth, flat comfort toe seam 75% Merino wool, 24% stretch nylon, 1% spandex Style #2099