A lightweight waterproof mtb jacket for when staying home just isn39t an option the zenith jacket features a slim performance oriented fit while the 4 way stretch nylon fabric gives you the freedom of movement you need to negotiate technical trails with 15k breathable and 15k waterproof ratings the zenith jacket is well equipped to deal with torrential downpours without letting you overheat two large mesh backed chest pockets are large enough to hold a map on longer xc rides and doub