The non-slip socks are made of cotton and spandex with good elasticity. They are durable and breathable. Super grips at sole of socks provide superb grip on slick surface such as wood floors, tile floors. Prevent falling or losing balance while walking or running. Perfect companion socks for your yoga or pilate allows safer practice, fall prevention and enhances balance during exercise. Arch support for a secure fit. Size 8 17/64" L x 7 3/32" W
