Cole Haan Men's 3 Pack Blackwatch Crew Socks, Black, 10-13/Shoe Size 6-12 69% Pima Cotton/24% Nylon/5% Polyester/1% Spandex/1% Other Fiber Imported Machine Wash Pima Cotton socks are soft and heat-resistant Polyester has excellent was ability and is quick drying Cotton absorbs moisture from the foot, is breathable and provides shock absorbency