80% Cotton, 15% Polyester, 5% Elastane , High heel tab cuff: Strengthened heel tab cuff for support and prevents slip downs. , Material: 80% cotton 15% polyester 5% spandex. , Mesh ventilation Design: Breathable Mesh ventilation Design,keep your feet dry fresh and odor free all day long. , Low Cut Socks Size Fit: S for UK Size: 3-6.5. M for M UK Size 5-10;The low cut ankle socks are good matching for all of your favorite athletic shoes, running shoes, climbing shoes, boat shoes, jogging shoes or any other sports shoes. , Washing instruction: Machine wash and hand wash, Suggest Cold Wash, no pilling, no fade, no smell. tumble or air dry.