If there's a chance of rain or you're tackling a day of constant mountain climbing and descending, the castelli tempest lite jacket brings comfort. At 166 grams, it's castelli's lightest, and most packable, gore tex® waterproof cyclin

Offering the very best balance of warmth, breathability and rain protection when on the bike, the castelli women's alpha ros 2 jacket easily lives up to it's 'rain or shine' name.

Forget those big and baggy windproof jackets of the past, the castelli women's aria shell jacket is a modern streamlined windproof layer. It's light and breathable too, enhancing cycling comfort when it's chilly.