Abstract: A utility cage for a pickup truck comprising a top wall secured to the pickup truck and a rear wall pivotally secured to the top wall at one end thereof. The top wall and the rear wall when mounted on the pickup truck forming an enclosed cage with the floor of the truck bed, the truck bed side walls and the rear end of the truck cab. The rear wall is formed of the plurality of parallel members. Rotatable locking handles are secured to the top wall and extend through the real wall parallel members. The rotatable handles, when in a first position, enable the cage rear wall to pivot upward and when in a second position cause the rear wall to be locked in a generally vertical position.