When yoursquore wheeling your bike out the door and the cold air hits you like a brick wall therersquos no need to suffer the castelli raddoppia ls jersey incorporates a sublime blend of castellirsquos warmer fabric on the body to keep your core warm whilst warmer x stretch material on the sleeves and side panels are tight to the skin ensuring no cold air can penetrate the jersey whilst stopping any excess material flapping around in the wind the castelli raddoppia long sleeve jersey