The Mammut Pro Protection 45L Airbag Backpack was originally designed for guides in the alps, so you know that the pack design has been dissected by the keenest mountain minds. As a result, this pack is fully featured, with ample gear loops and storage space for multi day tours or summit pushes. Mammut's Protection Airbag System provides industry leading safety features in the event of an avalanche. Additionally, the airbag system is removable and can be used with various Mammut pack sizes. The internal frame makes load distribution in the pack simple. Whether your goal is mid winter mountaineering or multi day tours, the Mammut Pro Protection 45L Airbag Backpack has ample space for all your adventures, guaranteed.