Gutsman Winter Strong Set for the Thick Winter Socks for Cold and Size Black Five-Toe Socks, 2-Pair (FW-01), Self-Defense Forces, Weather, Boots,

Choose from sizes S (23-25cm), M (25-27cm), and L (27-29cm), and colors OD (olive drab) and black. These are wool five-finger socks from the Gutsman series. The material is made from Dio, a special spun yarn that is warm and soft. We continue to pursue tear resistance by reinforcing the toe and heel with nylon. The sole is made with a special tuck weave for excellent breathability. The arch support zone and calf area both provide optimal compression to reduce foot fatigue. made in Japan