The long-sleeve Gabba is one of the most versatile pieces from Castelli. 100% wind protection with GORE-TEX Infinium Windstopper water protection and best-in-class breathability. With a light base layer it's good for mild temperatures, or with a thermal layer you can ride it below freezing. If you have just one jacket in your cycling wardrobe, this should be it. GORE-TEX Infinium WindstopperExperience total windproofness and maximum breathability for comfort in cool and windy conditions. The light, breathable membrane blocks the wind while allowing vapors to escape, keeping chill effects to a minimum. An additional layer is available in some GORE-TEX Infinium Windstopper products for more protection and insulation. Durable treatment to the outer layer provides a complete shield against the wind and is highly water resistant.