Castelli perfetto convertible jacketthe convertible perfetto is the jacket that can do it all with the sleeves attached it provides full protection in cold conditions but it turns into a gabba style short sleeved jerseyjacket in mild conditions when you pull off the sleeves perfect travel jacketits perfect as a travel piece because you can ride in nearly all conditions with this jacket if youre just starting to explore the perfetto family of products this is your all conditions jacket fea