The Japanese Organic Cotton Socks in Black/White combine eco-friendly organic cotton with durable nylon and polyurethane for lasting comfort and performance. Engineered with zonal Achilles and arch support, these socks enhance stability during wear. Strategic ankle ventilation promotes breathability, while targeted mid-foot compression improves circulation and delivers a secure fit. Crafted in Japan, they offer a superior blend of softness and functionality. Please note, all socks are final sale and cannot be returned or exchanged.