Attributes . Adjustable Foam Shoulder Straps, Closed Cell Foam Back, Padded Hydration Pocket, Top Grab Handle, Large Main Compartment With Three Mesh Interior Pockets and One Zippered Fabric Pocket, Two Metal Grommet Drainage Holes on Bottom of Pack, Large External Pocket, Two Exterior Side Zippered Pockets, Two Exterior Book End Pockets, Four Compression Straps, Two Exterior Organization Pockets, Sunglass Pocket . Names