Big Shot features vertical stash pockets with water-resistant zippers, a main compartment with a universal padded sleeve and hydration port. Molded back panel with breathable mesh and channels for ventilation makes it great for warm weather. Outer features include a front daisy chain with Hypalonr reinforcement, a tuck-a way hip belt, and a small mesh pocket on shoulder strap. You will find an organizer in the main pocket, side water-bottle pockets, side compression straps and a BackSaver bottom panel. There is a Safe-T whistle on the sternum strap.