92.5% Cotton, 6.7% Polyester, 0.8% Spandex PRODUCT DETAILS: Machine wash, 92.5% Cotton, 6.7% Polyester, 0.8% Spandex.Suitable for men sock size 10-13. MOISTURE WICKING SOCKS: Breathable and lightweight yarn keeps your feet cool and dry, which prevents smelly feet and ensures comfort during workouts. CUSHIONED SOLE: Cushioned foot in high-friction yarn reduces slip and provides protection from impact. CREW SOCKS: WANDER crew socks has an elastic enclosure, providing a comfortable fit around calf. Seamless design enhances durability. After Sales Service: If you have any question about our products, contact us and we will help you solve the problems in 24 hours.