Your new favorite jacket is here. Designed for spring and autumn cycling, the Castelli Poggio Jacket borrows the fabrics from their infamous Trasparente Wind Jersey and combines them with a jacket cut for exceptional performance in cool weather. Windstopper X-Lite fabric up front blocks wind, repels water and provides unprecedented stretch. Warmer fabric on back traps heat while allowing the body to breathe and moves sweat to the surface for quick evaporation. Next-to-body fit keeps your aero and allows for an extra layer underneath. Thermoflex flip-up collar and silicone gripper hem keep out the cold air.