Castelli Size Chart The 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 jersey/jacket in mild conditions when you pull off the sleeves. It's perfect as a travel piece because you can ride in nearly all conditions with this jacket. Features: - Fully aero, fully breathable and fully protected - Gore(R) Windstopper(R) X-Lite Plus fabric for lightweight total wind protection with water-repellent finish - Remove the sleeves for a short-sleeved Perfetto Jersey - Nano Flex fabric insert under arms - Storm-flap construction with reflective logo at back protects from wheel spray - Silicone gripper at waist prevents ride-up - Full-length YKK(R) Vislon(R) zipper with wind flap - 3 rear pockets with laser-cut drain holes - Temperature range: 6deg-18degC / 43deg-64degF - Weight: 457g