The dolomites are at the doorstep of the castelli offices and offer some of the most spectacular mountain riding on the planet but in the early summer even the nicest days can turn into downpours in the afternoon thats what the castelli dolomiti x lite jackets is made for light and packable so you can carry it with you in half a jersey pocket yet fully waterproof and highly breathable when its time to pull it out the three layer pertex fabric weighs only 43 grams yet has a waterproof mem