Designed for travelers, athletes and people who sit or stand all day. Special material provides a healthy comfortable fit all day. Graduated support relieves tired, aching legs and feet. Breathable performance yarn provides comfort, support and is fashionable. Non-binding, comfort band construction. Graduated compression to help circulation. Reduces swelling and energizes your legs. Smooth toe seam for comfort fit. 37% combed cotton, 36% nylon 27% spandex. Standard sock size 9-11 fits most.