The Competizione Kit Bib Shorts incorporate many features and technologies from Castelli’s top-of-the-line pro-level race shorts, to create short that does everything without overdoing anything.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 bib short in place – two features lifted straight from Castelli’s pro peloton tested Free Aero Race 4 Bib Shorts.Mesh straps are used to aid breathability and help the Competizione Kit Bib Shorts achieve their 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 seamless construction to reduce abrasion.With the Competizione Kit Bib Shorts, the Castelli pattern engineering team have created an ideal fit for all types of riding, building a set of comfort performance shorts that will become a favourite in your cycling wardrobe.Key FeaturesBib shorts that offer great comfort performance for club runs and weekend rides too,Affinity Pro Lycra on inside of the leg for outstanding stretch,Vortex BLC texture fabric on legs for aerodynamics,Giro4 leg gripper,Reflective detailing,Mesh straps for breathability,Kiss Air2 seat pad,15° – 35°C / 59° – 95°F,Weight: 173g (Large).