Escape for an awesome weekend adventure and leave discomfort behind with the Kelty Catalyst 65 backpack. The Catlyst 65 is a mid-size pack that is designed to carry all the essential gear and offer infinite comfort with Perfect-FIT adjustable torso suspension that custom molds to your body for easy weight bearing. Finding the perfect fitting backpack is now as simple as pulling a strap. Perfect-FIT suspension instantly and automatically molds to every torso size to ensure comfort more rapidly and efficiently than ever before. And, as if a 65L compartment that has room for everything is not useful enough, there is also a convenient 10L detachable daypack for convenience on the go. Now you're free to enjoy the joy of being outdoors hassle (and grunt) free.