Castelli Women’s Donnina Rain Jacket. Castelli seriously stepped out of the box when they were designing the Donnina totally waterproof shell First off, it breathes. Our exclusive ultra lightweight 70g eVent® fabric lets out the sweat at a remarkable rate. Second, it fits. Fits like a cycling jacket, not a mountaineering jacket. Third, it packs down small (probably much smaller than the rain shell you’re currently using) to fit in a pocket when you don’t need it. Finally, we gave it details that make a lot of sense, like external pockets that are easy to access with gloved hands and an extra-high collar and an easy-sliding waterproof zipper Features: Material: 100% NylonExclusive ultra lightweight 70g eVent® fabricStretchy water and wind proof inserts at elbow, shoulder, side panel and spray flapYKK waterproof Vislon® zipper2 external rear pocketsQuick-lock drawstring wrist closure with magnetic string keeperSilicone elastic waistbandReflective trim for 360° visibilityFully taped seams for total water protectionPacks up small to easily store in jersey pocketBuy Castelli Clothing from Chain Reaction Cycles, the World’s Largest Online Bike Store.