The Castelli Gabba RoS Short Sleeve Jersey gives you unbeatable dry-weather comfort whilst keeping you protected when the rain picks up. Bringing the widely lauded Gabba into the Rain or Shine (RoS) family, this new 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 new Gore-Tex Infinium fabrics utilised in the Gabba RoS Short Sleeve are the result of a dedicated collaboration between Castelli s R & D team and Gore offering unrivalled, high-grade water protection, keeping you dry when the heavens open. The body-mapped dual fabric construction is ideally suited to winter training. The warm brushed fabric on the front offers optimal water resistance just where it s needed on exposed areas, and the lightweight stretch fabric on the rear gives much needed ventilation, whilst maintaining water repellent properties. Features New Gore-Tex Infinium fabrics for high-grade water protection. Gore-Tex Infinium 205 brushed waterproof fabric on front-facing surfaces. Gore-Tex Infinium 203 stretch fabric on rear-facing surfaces. Taped shoulder seams and covered YKK Vislon zipper for additional rain protection. Two rear pockets with integrated pump sleeve for easy access whilst wearing gloves. Dropped-tail for protection from wheel spray. Optimised for 9 C 16 C.