The Gregory Katmai 65L Backpack - Men's is a durable pack for weekend backpacking adventures. Load up and put in as many trail miles as you can muster. The FreeFloat 360 backpanel is ventilated and features flex panels with auto-rotating straps that follow your every move. The pack is fully loaded with compartments and pockets for organization, from the zippered bottom sleeping bag compartment, all the way to the Sunglass QuickStow system on the shoulder harness. Bring along everything you may need and this pack will haul it.