icon ultraliteUltralight

Designed for skiers and snowboarders looking to lighten the load as much as possible, the R15 ULTRALIGHT is the lightest and most compact avalanche airbag backpack of the range. Once on your back, you will forget it is there.

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The streamlined fully-functional R15 ULTRALIGHT is the lightest and most compact airbag pack equipped with a REACTOR system. Weighing in at less than 2kg when fully equipped, this backpack will thrill the backcountry enthusiast looking to save every last gram without sacrificing carrying comfort thanks to our 3D-FIT technology. The wide opening offers quick access to the main compartment. The diagonal ski carry system, removable straps, and strap loops are designed for carrying skis, a snowboard, an ice axe, and any other gear you need to calmly climb up and move through those tricky sections you may encounter.

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  • Compact back panel
  • Daisy Chain
  • 3D-FIT
  • CORDURA fabric
  • TUV GS certified
  • Dos compact
  • Daisy-Chain
  • 3D FIt bretelles ajustables
  • Tissu Cordura résistant
  • TUV certification
  • Compact back panel
    Designed with a shorter back panel than the rest of the range, the REACTOR ULTRALIGHT 15 will fit smaller people like a glove.
  • Daisy Chain
    Daisy chains are extremely useful and versatile, allowing you to strap a wide variety of gear to your pack depending on the outing and your immediate need.
  • 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.


  • 1560 g


  • Capacity: 15L.
  • Equipped with the ARVA REACTOR airbag system.
  • Front access to main compartment.
  • Compact back panel.
  • Waist belt equipped with side pocket.
  • Ice-axe loop.
  • Diagonal ski carrying system.
  • Removable snowboard and snowshoe carrying system.
  • Compatible with the ARVA helmet holder.
  • 3D-FIT shoulder straps.
  • Safety gear carrying system.
  • Compatible with most hydration systems.
  • Dedicated pocket for valuables.
  • Lightweight ventilated-foam back panel
  • Sternum strap includes an emergency whistle.
  • Composition: Polyamide 210D CORDURA ripstop is robust, durable, and lightweight.
  • TUV GS certified.
  • Complies with EN16716 standards.
  • YKK Zippers.
The reactor system
Arva Reactor Ultralight 15L Deployed
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