78% Merino Wool, 17% Polyester, 4% Nylon, 1% Spandex Our Wool Socks are reinforced with high-density fibers in heel and toe. cushioning in the foot area for added comfort, arch support hugs feet and keeps socks in place, while providing in-step support.It protects the foot from shear and prevents painful blisters. SIMPLE TO CARE FOR When you get home, these wool socks mens accessories can be washed easily. Just put these women and mens hiking socks in the wash on cold . Perfect For These Activities： hiking、mountaineering、climbing、camping、running、cycling、exercise、traveling,and longtime outdoor work