Mizuno Outdoor Breath Thermo Wool Mid-Thickness Socks, Moisture-Absorbing and Heat-Generating, Trekking and Hiking, Women's, Yellow, 1 Pair Material Composition: Wool, Nylon, Others Washing Instructions: Machine Wash Pattern: Solid Country of Origin: Japan About this product Mid-thickness socks made with heat-generating material "Breath Thermo" mixed with 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 slipping. "Pile design" with high cushioning. Few toe seams. Total length: 22-24cm Description Product introduction Mid-thickness socks made with heat-generating material "Breath Thermo" mixed with wool. Wool use is go to by mizuno