The North Face Patrol 24L Airbag ABS Backpack with Activation:   The ultimate ski/board backcountry pack with built-in ABS Avalanche Airbag System. Featuring the industry’s most trusted technology for preventing burial in an avalanche, the ABS system uses a user activated compressed Nitrogen gas canister to inflate two integrated, high-volume airbags that keep you on the surface on the avalanche and speeds rescue due to the visibility of the airbags. A 95% success rate in real-world use, the ABS Avalanche Airbag System is proven to significantly increase your safety margin in the backcountry.
 

Features
ABS avalanche airbag system integrated for durability, ease of use, and a lightweight package
Bombastic auto-airbag fabric
Snow shedding backpanel materials prevent build-up of snow and ice
Proprietary metal hipbelt buckle for superior breaking resistance during an avalanche
Simple, stable, athlete-tested tuck-away ski/board carry
Huge avalanche tools pocket, with organization sleeves and backcountry essentials checklist
Internal pockets for gear organization
Dual hipbelt pockets
Reinforced high-abrasion zones on pack face
Safety whistle located on chest buckle
One canister included for practice deployment purposes only. Additional canisters available for purchase.