The Castelli Competizione Bibshort incorporates many features and technologies from Castelli’s top-of-the-line pro level race shorts to provide a set of shorts that are as just at home tearing it up at summer evening races as they are at club runs and long weekend rides. The inside of the leg is made from Affinity Pro Lycra that offers excellent stretch and rebound for comfort. Vortex BLC textured fabric is used on the side of the legs for improved aerodynamics, and the GIRO4 leg grippers hold the bottom of the bibshort in place two features lifted straight from Castelli’s pro peloton tested Free Aero Race 4 Bibshort. Mesh straps are used to aid breathability and help the Competizione Bibshort achieve its comfort range of 15 ̊ – 35 ̊C. A Kiss Air2 seat pad provides all-day comfort with an anatomical shape, dual-density thickness for the perfect cushioning in every part of the pad, and a seamless construction to reduce abrasion. With the Competizione Bibshort the Castelli pattern engineering team have created an ideal fit for all manner of riding, building a set of comfort performance shorts that will become a favourite in your cycling wardrobe. Features KISS Air² seat pad for all-day comfort. Affinity Pro Lycra fabric on inside of leg for outstanding stretch and rebound. Vortex BLC textured fabric on legs for better aerodynamics. GIRO4 leg gripper with raw edge for comfort and silicone stripes for grip. Flat-lock stitchingReflective detailing on back. Mesh straps for comfort and breathability. Weight: 172g.