Bellwether alterra ultralight jacketweighing only 99g this bellwether alterra ultralight trail ready packable jacket can be easily deployed when the weather rolls in offering protection from the wind and even a bit of rain featureswind proof highly water repellent constructiondwr finish improves water protectionstorm hood fits under helmet for increased protection without restricting visiontrail worthy cut allows for increased range of motioneasily packs down for storage in a jersey pocketch