Mizuno Outdoor Breath Thermo Wool Thick Socks, Moisture-Absorbing and Heat-Generating, Trekking and Hiking, Women's, Gray, 1 Pair Material Composition: Wool, Nylon, Others Care Instructions: Machine Wash Pattern: Solid Country of Origin: Japan About this product Mid-thickness socks made with heat-generating "Breath Thermo" and wool. Increased moisture absorption and heat retention with wool. Inner specifications: Designed specifically for left and right feet. "Heel-right-angle design" to prevent ankle bunching. Recommended for trekking and hiking. "Fit Well System" design that prevents slippage. "Pile design" with high cushioning. Few seams at the toes. Total length: 22-24cm Description Product introduction Mid-thickness socks made with heat-generating "Breath Thermo" and wool. Wool use is go to by mizuno