An avalanche airbag backpack designed for long tours, the R40 offers the largest capacity available for a pack equipped with the REACTOR airbag system. This pack works perfectly for backcountry enthusiasts venturing off on a multi-day tour with a lot of gear.

Tax included

The R40’s revamped, improved, and simpler design makes it easier to use. Every backcountry enthusiast will love this pack. A new side opening provides quick access to the main compartment. The widened top opening means greater ease getting to or stowing your gear. The new, more practical R40 also provides greater capacity, with a full 45L for you to pack all your gear by using the extendable collar with an adjustable floating lid. Remove the lid to save weight and streamline your pack.

Warning: Cartridge not included

  • Adjustable floating lid
  • Multiple openings to main compartment
  • Rope-carrying system
  • Dedicated snow-safety equipment pocket
  • 3D-FIT
  • CORDURA fabric
  • TUV GS certified
  • adjustable floating lid arva reactor
  • Double accès principal
  • Porte cordes
  • Poches sécurité dédiée
  • 3D FIT
  • Tissu Cordura
  • TUV Certification
  • Adjustable floating lid
    Weighing 80g, it allows you to increase the capacity of your back to 45L. In just a few seconds, switch from one style to another. It provides stability to the extension collar as well as increased protection from snow. Adjusts easily based on how much you pack.
  • Multiple openings to main compartment

    - Top loading

    - Quick-access side openings

  • Rope-carrying system
    We know that for certain routes and adventures you need to take a rope to stay safe. The R40 includes a secure rope-carrying system that is quick and easy to adjust to any length of rope you choose
  • Dedicated snow-safety equipment pocket
    Since we know just how vital it is to be quick and efficient in rescue situations, we placed a dedicated pocket on the front of the pack for quick access to your snow-safety equipment.
  • 3D-FIT
    Our 3D-FIT system allows you to quickly adjust your pack to your fit preferences and body size for maximum comfort. Select S, M, or L in just one pull to instantly adjust back height, shoulder strap length, and the position of the REACTOR trigger handle for the perfect fit.
  • CORDURA fabric
    CORDUA is a synthetic fabric with 3 times the abrasion resistance of other typical polyamide fabrics. While durable and incredibly robust, it remains relatively thin and lightweight.
  • TUV GS certified
    Our product manufacturing process received TUV GS certification for reliability and quality after passing the rigorous testing standards of the German test laboratory TUV SUD.


  • 2180 g


  • Capacity: 40L.
  • Equipped with the ARVA REACTOR airbag system.
  • Floating (removable) lid.
  • Top and front access to main compartment.
  • Flat front pocket with quick and easy access.
  • Waist belt equipped with side pocket.
  • Two ice-axe loops.
  • Diagonal ski carrying system.
  • Snowboard and snowshoe carrying system.
  • Rope carry system.
  • Compatible with the ARVA helmet holder.
  • Dedicated snow-safety gear pocket.
  • 3D-FIT shoulder straps.
  • Compatible with most hydration systems.
  • Dedicated pocket for goggles and valuables.
  • Comfortable back panel with thick ventilated foam padding.
  • Sternum strap includes an emergency whistle.
  • Reinforced front panel.
  • Composition: polyamide 210D CORDURA ripstop/210D polyamide ripstop/210D polyamide diamond durability backing to withstand the harshest conditions.
  • TUV GS certified.
  • Complies with EN16716 standards.
  • YKK Zippers.
The reactor System
Arva Reactor 40 Deployed
You might also like