Main compartment dimensions: 18 H x 12 W x 6 D Side pockets, two on each side: 5 H x 5 W x 1 D Front pockets: Top 8 H x 4 W x 2 D & Bottom 9 H x 9 W x 3 D PALS compatible webbing on the front pockets and the bottom of the back pack. Durable PVC construction. Heavy Duty zippers. Hydration bladder compatible, with a separate initial Padded shoulder straps with D-rings. Heavy Duty carry straps on the top and side of the back pack. Adjustable compression straps on the sides of the back pack. In the Box Specifications: California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov