Hit the trail equipped with everything you need and always stay well-hydrated. This versatile Rossignol vest is an absolute must-have for trail running, cross-country skiing, or mountain biking. It's lightweight and features numerous pockets that can hold a water bottle and two spare soft flasks. The vest has a very comfortable fit that conforms to your body shape without restricting movement. It fastens easily and quickly. It also features a safety whistle for emergencies and a pocket that comfortably holds keys, documents, and other essentials.