A special combo, made just for Sportsman's Guide. This pack combines the Alps OutdoorZ Big Bear Pack with their Accessory Pocket, made for securely storing your binoculars. The Backpack expands from a lumbar pack to a day pack to extend its carrying capacity, so it's like getting two packs in 1, while the Pocket securely holds your binoculars and other small gear. Backpack Features Two packs in one Lumbar pack expands into day pack Adjustable shoulder harness Compatible with Accessory Binocular Pocket and Accessory Call Pockets (Sold separately) Removable, padded waist belt with easy-access pockets Main pocket, two side accessory pockets and one front pocket Bino Pocket Features Padded main compartment keeps your binoculars safe from travel bumps Ultra-quiet magnetic top lid won't spook game Provides quick and easy access to your binoculars Buckle system for attaching to your backpack For use with Alps OutdoorZ Little Bear, Big Bear, and Pathfinder Backpacks Weighs 7 oz.