Hydration Port Multiple compartments for added gear storage and organization Compression straps to help stabilize the load 2 side elastic mesh pockets Custom zipper pulls Securely holds hydration reservoir or laptop and tablets Organizer pocket with fleece-lined media pocket Thermal insulated pocket Reflective safety tab Daisy chain attachment points Air- mesh padded shoulder strapsAirflow back panel system Adjustable sternum straps for added support Air-mesh padded back panel