Castelli Gabba RoS 2 Short Sleeve Jersey In its 5th generation, the well-regarded Castelli Gabba RoS 2 Short Sleeve Jersey is now completely waterproof on the front-facing surfaces, while retaining the breathability and wind protection of its predecessor. GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm is used across the front, shoulders and sleeves, the shoulder seams are taped and the two-way zip is covered, keeping all the elements out. GORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on the back ensures full freedom of movement despite the tight fit, and it's highly breathable while repelling light...