Relieve Knee Pain Caused by Jumper's Knee (Patellar Tendinitis), With One Light, Comfortable Patella Sleeve Comes with one (1) compression patella sleeve per package. Repetitive stress of the knees from sports or other activities can hinder your ability to perform at your personal best. Runner's knee and other knee joint pain doesn't have to put you on the bench. OS1stA(R) PS3 Sports Compression Patella Sleeves provide medical grade orthopedic support. Our patent pending Compression Zone TechnologyA(R) provides pain relief and prevention for those suffering from Jumper's Knee (patellar tendinitis). The PS3 has three zones of compression and a comfortable shaped fit. It provides proven, effective pain relief. The PS3 sports compression patella sleeves are comfortable enough to wear any time. You can even wear them under your regular pants and shorts. PS3 sports compression patella sleeves are a safe alternative to knee braces and splints. The PS3 is more comfortable than patella straps when treating and preventing knee pain. The PS3 sports compression patella sleeves provide medical grade support to the patellar tendon. The graduated compression of the PS3 also promotes excellent circulation. This reduces swelling and promotes faster muscle recovery. Our patent pending shaped to fit design makes the PS3 safer to wear than heavier supports and straps. It's perfect for runners and other athletes. The PS3 is available in stylish black. The PS3 Sports Compression Patella Sleeve is the perfect fit for your active, pain-free lifestyle.