The Tactical Zippy comes in at around 25 liters and features a unique top and dual side access design. The pack has a zippered pocket on the top flap, and a zippered mesh pocket on the underside of the same flap. Each side flap has a zippered top bottle pocket on the exterior and another zippered mesh pocket on the interior. The pack has the optional Omni frame sheet installed behind the included Chamber Pocket. The Tactical Zippy sports a pair of removable compression straps and includes shock cord on the face for securing a light jacket or similar overflow items. There are other mounting points on the packs exterior for the addition of other accessories or pouches on the face, sides, top or bottom. The shoulder straps are fairly wide and thin, offering a comfortable carry. With the frame sheet installed, this is a sturdy little pack that provides the user many different options for access and set ups.