85%Viscose from Organic Bamboo/10%Nylon/5%Lycra Description: world’s best and softest socks! Feet stay dry and cool in our bamboosa socks! Super absorbent and ultra soft, these ankle socks are great for working out, running or just to keep your feet warm and comfortable. S/M: unisex shoe size: 6-10 l/xl: unisex shoe size: 10-13 Features: No more sticky feet Odor resistant. Wicks,evaporates sweat does not stick to the skin Breathable and cool in the hot weather Excellent permeability, keeping your feet comfortable and dry Content: 85% viscose from organic bamboo/10% nylon/5% lycra Care: machine wash cold or warm, tumble dry low, non-chlorine bleach only