evo.com | Arva Airbags > Built for riders who don't stick to a single discipline or a single mission length, the Arva ST 35L Switch Airbag Backpack has 35 liters of organized space and a full feature set to back it up. Triple access to the main compartment lets you get to your gear from the top, front, or back depending on the situation, a dedicated safety pocket keeps your shovel and probe immediately at hand, and carry options for skis, a snowboard, two ice axes, and a rope mean you're covered regardless of what the day calls for. ARVA's REACTOR 2.0 dual airbag system rides inside, and the SWITCH modular system means you can swap covers if your needs evolve down the road. SWITCH Modular System Compatible 1 Frame, 5 covers for specific uses. Keep the same Reactor airbag frame and SWITCH bags depending on your outing. TOUR for light hiking without sacrificing versatility, and ST for freerando with additional features. Equipped with the ARVA REACTOR 2.0 Airbag System Weighing only 650 g, the ARVA REACTOR 2.0 airbag system is the lightest airbag system on the market within all categories. Equipped with two 75-liter balloons, you have double the safety in the event of an accident. Its compact size and position in the backpack guarantee uncompromising balance and safety. Back Size 40 to 50 cm External Avalanche Safety Gear Pocket Recycled 600D Dope-Dyed Polyester / Recycled 150D Polyester | Arva ST 35L Switch Airbag Backpack 2027 - 35L | Polyester