Size - 2X-Large / Long; Length - 31 to 33 inches. Circumference: Ankle - 11 to 12 inches, Calf - 18.5 to 20.5 inches, Thigh - 30-36.5 inches. Provides a gentle massaging action to help prevent the formation of blood clots associated with post-surgical inactivity. Offered in multiple lengths for a more precise fit.