1 main compartment with large elasticized open top pocket for small laptop or hydration bladder. 1 large elongated front pocket with elasticized open top pocket. Quick access zippered pocket on front face. Two side open top storage pockets with hook & loop closure. Padded back panel with ventilation channels. Fully adjustable padded shoulder straps. Bottom zippered pocket for handy storage. Hanging hook. Complete with modular attachment points, dual compression web straps & hydration port. Hydration compatible Specifications and Features: