The Castelli Perfetto ROS Convertible Jersey is the most versatile jersey in their Rain or Shine series,  with removable sleeves giving you both short and long sleeve jerseys in one. With a Castelli exclusive Gore-Tex fabric and Castelli's usual attention to detail, the Perfetto ROS Convertible is one jacket that deserves a place in every riders wardrobe. Castelli Perfetto ROS Convertible Jacket Features Castelli exclusive Gore Infinium Windstopper 205 fabric on front facing surfaces for excellent protection Gore Infinium Windstopper 203 fabric on rear surfaces provides improved stretch and breathability Removable sleeves give you two jerseys in one Gabba-style dropper tail with reflective panel for increased protection & visibility 2 rear pockets with pump sleeve are easily accessed with gloved hands Initially designed as a cool-weather training or extreme-weather race piece for their pro riders, the Perfetto ROS is one jacket that does everything well. While the emphasis is on dry-weather comfort, the Perfetto ROS still provides near waterproof protection if you get caught out in a shower. The Castelli exclusive Gore-Tex Infinium Windstopper fabrics provide excellent breathability and weather protection. A light fleece-lined water-resistant version is used on the front facing surfaces while a lighter, stretchier and more breathable fabric on the back improves comfort. The Convertible version of the Perfetto ROS features clever removable sleeves that give you two jerseys in one, further improving it's versatility.   The Perfetto ROS Convertible is designed with no built in insulation so you can layer up as the conditions dictate; you can team it with a light base layer for moderate conditions or add a thermal jersey underneath for very cold conditions. The Perfetto ROS Convertible features the standout features that have made the Perfetto a favourite of riders around the world with an excellent fit, easy-sliding YKK zipper and a reflective dropped tail to protect from wheel spray and improve visibility. The Perfetto ROS Convertible also has that signature discreet styling that Castelli are known for that belies the jackets pedigree. Lightweight, versatile and beautifully made, the Castelli Perfetto ROS Convertible deserves a coveted position in your quiver of cycle clothing.   Windproofness:  ? ? ? ? ? Waterproofness:  ? ? ? ? ? Insulation:  ? ? ? ? ? Breathability:  ? ? ? ? ? Lightweight:  ? ? ? ? ?