Castelli Perfetto RoS 2 Women's Jacket: The most versatile garment of allThe long-sleeved jacket is one of our most versatile garments. It offers 100% wind protection with GORE-TEX INFINIUM™ WINDSTOPPER® and water protection, in addition to being the best in its class in terms of breathability. Castelli Perfetto RoS 2 W Jacket:With a light base layer it is suitable for mild temperatures, or with a thermal layer you can use it in sub-zero temperatures. If you must only have one jacket in your cycling wardrobe, this should be it. Characteristics:Exclusive Castelli GORE-TEX INFINIUM™ WINDSTOPPER® 205 fabric, warm, brushed and water resistant on front surfaces.GORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on back surfaces for greater elasticity and breathability.Taped shoulder seams for extra rain protection. YKK® Vislon® zipper opens at the top and bottom for easy sliding, covered for additional protection from wind and rain.Zippered ventilation opening on the side of the chest.3 back pockets.Reflective panel at the bottom of the pockets.