CASTELLI COMPETIZIONE BIB SHORT BLACKCOMPETIZIONE BIBSHORT BLACK We made this short to incorporate as much technology as possible from our top of the line pro level race shorts at a more accessible price. And although it's certainly capable of weekend racing, it's also a great comfort performance short even if you never pin on a number. The main Vortex textured fabric and the Giro4 leg gripper come straight from our top Free Aero Race 4 Bibshort, while the KISS Air2 seat pad has most of