A jacket striking the optimal balance of protecting you from the elements and letting you breathe when pushing. The air permeable nanofibre membrane of the Pertex® Shield Air 3-Layer fabric creates a waterproof jacket that maintainsa high level of breathability. Combined with soft and quiet face fabrics, the completely re-worked Mechanism Pertex Rain Jacket offers best-in-class protection against the elements. The jacket easily packs in your jersey pocket, ready for when the clouds start to roll in mid-ride. With a two-way waterproof zipper, the Mechanism Pertex Rain Jacket is a flexible addition to your selection of cycling layers.