Trim and Compact Water System. Comes loaded with a 70 oz hydration engine, but can host the 100 oz hydration engine. 360 degrees of D-Rings, Stowable Straps, Insulated Tube, 500D Cordura. Carry it. Molle to it. Molle it to your pack, your armor or load bearing vest. Basically a water carrying pack, but has enough room for a few snacks and the ability to attach a separate pocket to the outside of the pack should you desire to carry more items. The molle strips at the top and bottom of the back of the pack, along with the D-Rings, allow this pack to be attached to other packs, body armor or load bearing vest . (Length 18.5 Inches. Width 10 Inches.)
Don't forget to buy a filter. This reservoir is filter-ready. Also, you may want to consider buying a bulb holder if you are retrofitting to another pack -- not required, but nice to have.