Main compartment- 19"H x 12.25"L x 6.5"D, front compartment-11?H x 9.25?L x 2.5?D * Concealed R.A.C. (Roll-down assault compartment) * Ambidextrous side-entry Back-Up Belt System compartment * Shoulder straps with QuickTact accessory straps * 500D Nylon exterior; 420D Nylon interior