-Hooey patented hat strap -2 main compartments with zipper closures -Detachable rain cover -Water resistant base -Fleece lined sunglass pocket -Reflective daisy chain loops, suspension strap and reinforced top handle -Padded shoulder straps with breathable back panel -Internal organization pockets with padded laptop -Side hydro pockets -21" x 13.5" x 8.5" -Style: BP044GYBK Hooey Men's Ox Flag Backpack