Men's RS Pro Short Hot/Cold Therapy Roger Federer uses this string

Roger Federer uses this string as a hybrid with natural gut

As warm as bulky

plush Polartec fleece

Anti-burst ball is made of a new material that is stronger than ever

innovative design isolates belay loop to

Men's RS Pro Short Hot/Cold Therapy Roger Federer uses this stringThe ultimate endurance short for long days in the saddle, combining 3 way fabric design with Sugoi's world class Formula FX chamois. Ultra Aero fabric on outer thighs for maximum aero efficiency Engineered fabric on outer thighs for maximum breathability Formula FX chamois for incredible comfort and performance during long days in the saddle Signature leg gripper provide slip free comfort without constricting your thighs