Os1st

The OS1st® QS4® Performance Quad Sleeve uses patent-pending Compression Zone Technology®. It relieves and prevents pain for those suffering from IBS (Iliotibial Band Syndrome), quad strains, hamstring weakness, leg fatigue, and general pain from sports.

Relieve Knee Pain Caused by Jumper’s Knee (Patellar Tendinitis), With One Light, Comfortable Patellar Sleeve

This first of its kind design, along with seamless comfort and construction with split toe design and targeted bunion pad creates wearable bunion relief, any time of day and during any activity.

OS1st is proud to offer DC Comic themed custom calf sleeves. DC Sleeves are made using the same high quality and medical grade compression you can find in our current OS1st Compression Calf Sleeves.