Designed with a close, anatomical fit, the Castelli Perfetto Ro S long sleeve lightweight jacket is perfect for riding & racing in cool conditions. Built with Gore-Tex & forming part of Castelli’s Ro S collection – which stands for ‘rain or shine’, this jacket provides just as much protection from rain as well as the cold. Accordingly, the front panel is made from slightly heavier fabric for wind protection, while the back panel is made with a lighter stretchier fabric for added breathability & water repellence. The jacket is complete with a full-length YKK zipper for effective temperature regulation, reflective detailing for increased visibility & a long tail for protection against wheel-spray. Castelli exclusive GORE-TEX INFINIUM™ 205 Warm brushed waterproof fabric on front-facing surfaces GORE-TEX INFINIUM™ 203 Stretch on rear-facing surfaces for extra stretch & breathability Taped shoulder seams for extra rain protection YKK® Vislon® zipper for easy sliding, covered for extra wind & rain protection Zippered ventilation opening on side of chest 2 rear pockets with pump sleeve are easily accessed with gloved hands Gabba-style dropped tail with large black reflective panel