The Pearl Izumi Pro Barrier Jacket is a lightweight layer for female cyclists riding in cool, changeable fall or spring weather with wind, light rain, or road spray. It uses a 2-layer WxB membrane paired with PFAS-free PI Dry C0 DWR to block wind and shed showers while staying breathable to prevent overheating on climbs or efforts. The high-stretch knit face fabric in 100% recycled polyester delivers a compressive slim fit that layers under or over jerseys without restricting movement, held secure by a silicone rear gripper. A two-way YKK zipper vents heat from the bottom or accesses jersey pockets, and BioViz reflective elements improve night visibility up to 100 meters. Its minimal bulk packs into a jersey pocket for quick deployment. Suited for road cyclists on long rides where conditions shift unexpectedly, it handles light precipitation better than basic windshells but won’t repel heavy downpours—choose it over fully waterproof options if breathability matters more than total dryness.