FootSmart Men's / Women's Diabetic Ultra Over-the-Calf Socks Cotton Anatomically graded design fits the shape of your leg, enhancing the fit and comfort. Seamless toe closure provides an ideal foot environment that protects feet from rubbing or irritation. Light padding in high-stress areas absorbs shock without changing the fit of your shoe. 70% cotton, 21% nylon, 8% rubber, 1% spandex. Care: Machine wash in warm water. Tumble dry on low heat. Do not bleach.