ProFlex® Open Patella Knee Sleeve, Extra Large, 1 Each Ladies 15 20 Thigh Hi Clinically shown to support greater Color:Red Clinically shown to support greater calcium absorption for strong bones Yields accurate grip strength readings without the subject being able to feel the handle move * Features an adjustable handle with five positions to accommodate to any hand size * The indicator remains at the subject's maximum reading unit until it is reset * Registers up to 200 pounds and reads in pounds and kilograms * Includes a carrying case * 3 millimeter thick neoprene is perforated and spandex is in mesh form so knee sleeve is breathable Neoprene and spandex knee sleeve is open at the patella and will aid mobility after a knee sprain or strain