New with IVS cooling back panel and silent pulls! The Phoenix back pack is a new and uniquely designed frameless pack. It has a padded back, padded body, contoured "S" shoulder straps with detachable sternum strap and torso lumbar control. The inside back has a pouch to fit an optional 100 oz. HydraStorm system with our Tube Routing System (TRS) to feed the drink tube out the top and over either shoulder. This feature allows the user to efficiently carry 2.5 quarts of hot of cold liquid and to drink on the move. The pack's main compartment has two internal securing straps, with full length zipper access, smaller cargo pouch and cargo pocket. The Phoenix also comes with a pair of sleeping bag attachment straps and a pair of utility gear attachment straps. Weapon lock system lined with HawkTex. Detachable, elasticized sternum strap with silent quick release buckle. All stress seams edge bound and double stitched. All compartments have YKK zipper closed by dual sliders with HawkTabs. Optional modular storage available with the Assault Pack Accessory Pouch. Padded torsion and lumbar stabilizer control waist belt. Two sets of securing straps. D-rings for equipment attachment on the "S" shoulder straps. Two internal gear securing straps in main compartment. Fully adjustable pack height and sway stabilizer system. Optional HydraStorm drink systems. Body contour shoulder straps. External side compression straps. Made of 1000D NyTaneon nylon. Internal hydration tube stabilizer. Heavy duty carry/drag handle. Dimensions: 8" x 12" x 23" H. Cubes: 2,800"