Maxpedition Gear Monsoon S-Type Gear Slinger Approx. 16-Inch (L) x 20.5-Inch (H) x 5.5-Inch (W) Main compartment approx. 20-Inch (H) tapers up from 11.5-Inch (L) x 6.5-Inch (W) at base to 8.5-Inch (L) x 3.5-Inch (W) Total capacity over 1600 cubic In