The Castelli Alpha ROS Light Jacket sits neatly between a jacket and your warmest jersey, following a significant performance upgrade this year. RoS (Rain or Shine) excels in both cold and dry or wet and cool conditions.
The Alpha ROS Light Jacket achieves incredible versatility via its double layer construction, a ProSecco Strada inner liner with 2nd front zip working to remove sweat and prevent you getting wet and chilled from the inside. The outer benefits from brand new fabrics front and back that represent a significant step forward in rain protection. With reduced seams and only seam-sealing where necessary maximising breathability of the outer layer you'll not sweat up or chill. While it's not guaranteed that any drop of rain will ever enter the jacket, the promise is the best garment to keep you warm and dry in the widest range of conditions.
The advanced patterning makes for an excellent close-to-body fit, the extra stretch at the waist keeping the fit sleek while a raw-edge waist lies flat and moves with you, finished with a Castelli silicone text gripper at the waist that keeps that jersey from riding up. Three rear pockets with reflective laser-cut drain holes plus a front zippered pocket take care of all your storage needs.
For your more intense rides in wetter and changeable weather or for cool days of steady miles then the warmth, breathability and wet weather protection strike just the right balance to keep you dry and comfy all ride.
Castelli proudly produce high performance cycling apparel. Since 1876, they've been the tailor for the champions. It was their innovative mindset which brought the earliest heroes & legends like Binda, Coppi and Bartali. Castelli cycle clothing became legendary too inventing the skinsuit, the silk jersey, pockets on jerseys, and the first LYCRA® short used in professional racing.
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