OS1st CS6 Calf Sleeves Mens Trail Shoes It has a race fit

It has a race fit and comes in a simple yellow design with a black SAYSKY logo on the front and a white woven SAYSKY label on the back

PWRRUN+ sockliner gives you an extra layer of cushioning

Upgrades to the version 2 (V2) can be found in the midsole and upper

Ideal for both high and low impact exercise

This do-it-all shoe is lighter

OS1st CS6 Calf Sleeves Mens Trail Shoes It has a race fitThe CS6 Calf Sleeves stabilise and provide muscular support preventing shin splints and speeding up recovery. Sleeves help support the Achilles tendon and calf muscles during sports activities, reduce impact vibration of the calf muscle, and boost oxygenation.