Castelli perfetto vestthe castelli perfetto vest has gone from merely awesome to perfect this lightweight wind protector features gore windstopper x lite plus on the front and shoulders and nano flex light on the back to provide superior protection from wheel spray featuresgore windstopper x lite plus on front and shoulders provides lightweight wind protectionnano flex light fabric on back protects from wheel spraypackable constructionfull length ykk vislon zipper with wind flap2 rear poc