Each thigh sleeve ships as a single unit - i.e. one thigh sleeve per order The Zensah Thigh Sleeve if utilized after a workout or during treatment of an upper leg injury, will speed up the recovery process by helping to reduce inflammation and pain. What is Some of the Technology? Zensah products such as the Thigh Sleeve feature graduated compression which increases circulation and oxygen blood flow. This will minimize swelling and thereby relieve pain in the intended area. Pin-point compression in the Thigh Sleeve goes to work on the exact source of the pain offering a massage-like experience in order to comfort the area while decreasing recovery time. What is Some of the Science? Compression helps stabilize muscle tissue after a workout, keeping the swelling of muscle fibers at a micro and manageable level. The compression support of the Thigh Sleeve helps the hamstring and quadriceps muscles to rebuild themselves after a workout or injury, leading to a faster recovery. Gravity can cause a build-up of fluid in the muscles and surrounding tissue, especially after exercise or in an area that is inactive because of injury. This build-up of fluid increases swelling and increases recovery time. The Zensah Thigh Sleeve helps reduce inflammation in the upper leg in order to decrease recovery time and get the athlete back into action. Who Can Benefit From the Zensah Thigh Sleeve? - Injured athletes with quadriceps or hamstring pain - Cyclists, Runners and Triathletes - Soccer players and Field Goal Kickers/Punters - Any athlete looking to minimize pain in the upper leg minimize recovery time after a tough workout Sizing (measure circumference of mid-thigh): S/M: Thigh Size 18" - 22" Height 5 9" and below L/XL: Thigh Size 22" - 28" Height 5 10" and above