Thanks to its simple folding design and lighter weight

comfortable and capable

10°-20 °C / 50°-68°F

low-volume 98mm last shell which closely mimics the foot shape for a comfortable and precise fit

Porex™ filter prevents optical distortion during changes in elevation

castelli free aero rc bibshort men 4522000 7840006284118 Size:M Thanks to its simple foldingThe Free Aero RC Bibshort is our top race short, which also means that it's insanely comfortable even if you never pin on a number. It's fair to say that we've been working on this short for the past 15 years. That's how long it's been since the original Free Aero Race Bibshort was first introduced, initially as our top of the line race short. Since then it has won three Tours de France, three Giri d'Italia, one Vuelta and San Remo, but it also became