Size - X-Large / Regular; Length - less than 18 inches. Calf circumference - less than 17.5 to 20 inches . Closed toe style for comfort. Inlay circumferential knit helps provide a one way horizontal stretch. The contoured seamless construction promotes comfortable fit without the constriction caused by harsh seams and ridges. Anti-embolism stockings improve results when combined with mechanical or pharmaceutical prophylaxis. Made of nylon and spandex material.