OS1st Performance Calf Sleeves Jacket We use special grip coating

We use special grip coating to construct our frame to help eliminate slippage when sweating

The QuickSqueeze Insulated Handheld 18oz features a grip-free

take the Velocity MP with you

soft ride ready for all your miles

OS1st Performance Calf Sleeves Jacket We use special grip coatingOS1st TA6 Thin AirTM Performance Calf Sleeves feature never before applied technology to keep your legs cool and protected during any activity. Created using 400n medical grade machinery and materials we are able to build in ease of use, comfort, and durability with the thinnest leg fabric profile ever made! The "Thin SkinTM" construction maximizes air flow achieving a cooling sensation to your legs thereby increasing stamina and endurance.