The Sunpak Air-Bak Focus Backpack (Black) uses a support system that adjusts to the body shape and alleviates weight load pressure to provide maximum comfort. An air chamber goes down the base and back of the pack to help alleviate the weight. The backpack is made to carry and protect various types of photo gear. A lumbar support can be adjusted by using an air pump.
The Focus Backpack uses built-in Air-Bak technology that is made from 800 denier nylon and 1680 denier ballistic nylon trim exterior. It has interior EVA molded mesh padding and a 420 denier nylon lining. The main compartment has removable, interior dividers used to customize the pack. Release straps are adjustable with push locks to secure additional accessories.
The pack has a top compartment that has multi-zipper storage accessory compartments. A bottom compartment with 4 dividers holds the gear. It has a large front main pocket, slip pockets on the side, water bottle pockets on both sides and 3 exterior zippered pockets. There is a cell phone pocket and a MP3 player or iPod pocket in the top compartment. A zippered pocket is located inside the bottom compartment. The backpack is carried by wide contoured shoulder straps with added padding, waist straps and a slightly padded strap handle.