The lightest most breathable gore tex174 jacketthe gore tex174 active run jacket features an outer surface that permanently repels water it is the lightest and most breathable gore tex174 running jacket available the jacket is also waterproof windproof very packable and maintains the wearing comfort in a broad range of weather conditions meeting the demands of runners the gore tex174 active jacket durably protect against wind rain and reduce sweat accumulation in high aerobi