The OS1st® CS6® Performance Calf Sleeves provide medical grade orthopedic support. Our patent pending Compression Zone Technology® provides pain relief and preventative support. CS6® Performance Calf Sleeves provide athletes with relief from calf pain and injury. Find prevention and relief from muscle cramps, venous insufficiency, Achilles tendinitis, and shin splints.
Easy, moisture wicking slip-on therapy. OS1st compression zone technology boosts circulation, protects from injury, eases shin splints, and provides increased muscular support reducing impact vibration. Easy-on anatomical fit is designed to be worn before, during, or after any activity.