The Castelli Perfetto Rain or Shine Vest is a beautiful exercise in progressive garment design offering you superior protection from the wind and rain but remaining highly breathable. Easily packed into a pocket and ideal on autumn training rides, this is a real must-have. Bringing the widely lauded Perfetto Vest into the Rain or Shine (RoS) family, this jersey is a remarkable feat of garment innovation. Worrying about potential weather conditions before setting out on a ride will be a thing of the past, simply layer up according to the temperatures expected and enjoy your winter training. The Gore-Tex Infinium fabric utilised on the front of the Perfetto Light RoS is the result of a dedicated collaboration between Castelli s R & D team and Gore offering high-grade water protection. The rear fabric is the tried and trusted Nano Flex Light which has been a staple of Castelli garments for a number of years. Features Vest format. Gore-Tex Infinium 203 stretch fabric on front-facing surfaces. Nano Flex Light woven fabric on the rear-facing surfaces. covered YKK Vislon zipper for easy ventilation adjustment. Two rear pockets with integrated pump sleeve for easy access whilst wearing gloves. Dropped-tail for protection from wheel spray. Optimised for 14 C 20 C.