removable avalanche airbag system by mammut . your avalanche airbag backpack is the extra safety net for your freeride and touring day. something you always have with you, but hopefully never need. with the r.a.s. removable airbag system 3.0 backpack by mammut, weighing just under 700 grams, you have a light and flexible partner at hand in the backcountry.the r.a.s. system is compatible with all backpacks in the mammut 3.0 line. r.a.s.removable airbag system 3.0 is an avalanche airbag system with a square airbag in a signal colour that inflates within 3 seconds when deployed behind the head. the eye-catching colour was chosen to enable rescuers to find you more quickly in the worst case.the new system is safe, easy to use, even lighter, and smaller than before and can be installed in all backpacks that are removable 3.0-compatible or 3.0-ready.the cartridge is not included in this system.