... strap with integrated whistle buckle- Padded, contoured adjustable shoulder straps with shock absorption- 2 front pockets with organizer for ... liter reservoir (not included)- Detachable GPS pocket on shoulder strap- 2 side mesh stash pockets hold water bottles ... bags, including cooler bags, daypack , duffel bag, handbags, shoulder bags, hiking backpack, hydration packs , laptop backpacks,, laptop bags ...