The BlackHawk 3-Day Assault Pack is a uniquely designed mid-sized frameless back pack. It has a padded back, padded contour shoulder straps with detachable sternum strap, and padded removable waist belt.

BlackHawk Tactical Phoenix™ Backpack is a uniquely designed frameless pack with a padded back and body. The contoured "S" shoulder straps have a detachable sternum strap and torso lumbar support.

The BlackHawk X-1 R.A.P.T.O.R. (Ranger Assault Pack,Tactical Operations Ruck) is designed for special-ops use and abuse. It is made to the specifications of the US Special-Ops groups. It has a large external "utility pouch" on the right side and one combo "Pop-Flare Pouch and Radio Pouch" on the left side.

Removable contoured stiffener. Made of rugged polyblend plastic with internal flexible steel staybar for stiffness. This internal frame stays "moldable" to the contour of your back to keep the pack rigid and provide ergonomic support.