Tactical Expandable Backpack

when Compressed: Main Compartment 14" x 10" x 3.5" ,Front Admin Pocket 1" x 10.5" x 7", when Expanded Main Compartment 14" x 10" x 6" .The interior features a full field of soft loop panel,set a foundation for attach any pouch with hook panel ,also have loop panel on outside top ,it can stick your favorate patch. With molle webbings on back for attaching other molle gear,such as MOLLE tactical vest . Shoulder straps and chest straps are adjustable to make the backpack fit you well,also it can work with specifc chest rig,replacing the harness with the pack straps, creating rig with backpack. Expandable design ,Unexpanded capacity is approx 8.0 L,can run a 1-liter hydration bladder in the main pocket and front pocket can small items like batteries, energy gels and chem lights , Expanded capacity is approx 18L,the main pocket can hold a helmet or a jacket ,and the front poket can electronics and small binoculars or sunglass. Made of quality nylon ,nylon webbing handle, military YKK rope zipper,sturdy and durable buckle,loop panel.