The Karma II was designed to respond to remarks concerning the Karma, namely that the weight and bulk were too high.
The Karma II meets these demands without sacrificing safety, quite the contrary. The simple solution to reduce the volume in the bag is to switch to an airbag style back protector. Unfortunately, airbags are not effective during takeoff. The Karma II is therefore equipped with a permanent airbag, the Krashbox.
The Karma II was designed to respond to remarks concerning the Karma, namely that the weight and bulk were too high.The Karma II meets these demands without sacrificing safety, quite the contrary. The simple solution to reduce the volume in the bag is to switch to an airbag style back protector. Unfortunately, airbags are not effective during takeoff. The Karma II is therefore equipped with a permanent airbag, the Krashbox. ...more info !