Enter your model number to make sure this fits. Enjoy incredibly stable cinema-quality video whether you’re hiking, biking or chasing your kids through the park. GoPro bundles the Karma with a durable backpack case. The backpack, at best, is a case with straps to put it on your back. It’s not a backpacking rig and lacks any sorts of economic padding for the wearer. It’s fine to wear for a…