What Our Gearhead® Experts Are Saying:"I grab the Do. Di. Ci. Short Sleeve Jacket when I’m going hard but want some extra protection from wind and drizzle. It breathes incredibly well and feels like a second skin, which is key when I’m hammering out intervals."We’re always looking for that perfect balance of coverage and breathability, and the Do. Di. Ci. Short Sleeve Jacket nails it. Blurring the line between a jersey and a jacket, this piece offers next-generation performance for cool-weather rides when you’re pushing the pace. Castelli’s Ristretto stretch fabric feels light and close to the body without restricting movement, and it sheds wind and water to keep us dry when the weather turns. The fit is sleek and race-ready, with thoughtful touches like reflective piping and minimalist seams to keep us comfortable and seen as we rack up the miles.