BlackHawk Phoenix Pack Black on sale and available from our online store. OpticsPlanet, Inc is an Authorized US Distributor for BlackHawk Carrying Bags. The Blackhawk Phoenix BackPack is a uniquely designed frameless pack. Blackhawk Phoenix Back Pack has a padded back, padded body, contoured S shoulder straps with detachable sternum strap and torso lumbar control. The inside back of Blackhawk Phoenix BackPacks has a pouch to fit an optional HydraStorm Hydration 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 liters of hot or cold liquid to drink on the move. The Blackhawk Phoenix Military Back Pack's main compartment has two (2) internal securing straps and a pair of utility gear attachment straps. -IVS cooling back panel -Silent zipper pulls -Weapon lock system lined with HawkTex -Optional HydraStorm Hydration Systems -Body contour shoulder straps -External side compression straps -Made of 1000 den