The Castelli Rosso Corsa Jacket stands as the benchmark for all-weather, high-performance cycling apparel, it bridges the gap between a windproof jersey and a heavy winter coat Advanced Fabric TechnologyFront Protection: Employs Castelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm fabric. This light, fleece-backed material ensures 100% windproofing and aggressive water resistance on forward-facing panels.Rear Breathability: Uses thinner GORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch across the back. It dumps internal moisture efficiently during hard efforts while remaining highly water-repellent against road spray.