Castelli Perfetto RoS Vest Women's Variant:Castelli Vest Perfetto RoS Womens Light Black - S 200 g/m2 nylon/Lycra® fabric with

200 g/m2 nylon/Lycra® fabric with best-in-class abrasion and tear resistance

We’ve wrapped our AirMesh fabric around the shoulders and down into the sleeves and side panels to give extra stretch so the jersey doesn’t constrict or make you look like you should have bought a size larger

600 D / EVA foam

BB30 ceramic bearings kit - 49g

Castelli Perfetto RoS Vest Women's Variant:Castelli Vest Perfetto RoS Womens Light Black - S 200 g/m2 nylon/Lycra® fabric withPERFETTO VEST IS NOW EVEN MORE PERFECT. The Perfetto Vest has been a favorite with everyone from our pro riders to Castelli staff to performance cyclists everywhere. But we wanted to make it even more perfect, so we developed a new exclusive GORE TEX INFINIUM WINDSTOPPER fabric that is both lighter and more water repellent than the old fabric while maintaining the stretch and breathability. We matched it up with better water repellency in the back