When you’re heading deep into the backcountry on multi-day expeditions, you need gear that you can trust. The Arva Tour 40L Airbag Backpack is the perfect choice, equipped with the superb REACTOR 2.0 Airbag System and an expandable capacity up to 50L. Weighing in at just 2.2kg when fully equipped with the airbag system and a carbon canister, this pack is one of the lightest airbag backpacks for multi-day trips and longer tours requiring ropes and extra gear.