A waterproof jacket that maintains a high level of breathability. The Mechanism Rain Jacket is easily packable in a jersey pocket, ready for when the clouds start to roll in mid-ride. The protection comes from the air-permeable nanofiber membrane of the Pertex® Shield Air 3-layer fabric. When combined with soft and quiet face fabrics, the Mechanism Pertex® Rain Jacket offers best-in-class protection against the elements while still being highly breathable. Keeping you riding in comfort, hour after hour.