Enjoy more time on the trail with the PK 50 Pack by Kelty with its compartmentalized design to optimize organizing and accessing your gear while evenly distributing weight. The front pocket detaches so you can bring it into your tent or leave it behind if you want to pack fast and light. Roll top closures enhance compression and cut weight so that you can take a load off your back and your mind. Enjoy the rewards of your journey! Compartmentalized design to optimize organizing and accessing your gear while evenly distributing weight Top loading Roll top opening for easy access Roll closure sleeping bag compartment Front clothing compartment Converts from 50L to 35L Compression wings with wing pockets HDPE frame sheet Single LightBeam aluminum stay Belt stabilizers Sternum strap Top pocket Ice axe loop Key fob Integrated pull out raincover Hydration compatible Ventilating back panel Lumbar support AirMesh shoulder straps, waistbelt, and lumbar Load lifterstabilizer straps Removable front pocket Stretch mesh water bottle pockets Stretch mesh belt pockets Number of Pockets: 8 Torso length: S M 14.5 18.5 in. M L 17.5 21 in. Material: 200D Nylon 100D Robic Dobby Size: S M Length: 26 in. , Width: 12 in., Depth: 10 in. M L Length: 33 in. , Width: 19 in., Depth: 15in. Weight: S M 3 lb. 12 oz. M L 5 lb. 10 oz. Capacity: S M 3050 cu in. M L: 5500 cu in.