Main compartment with dual zippers and rain flap: 17.5" H x 13" W x 6.5" D * Front dual zippers compartment: 10" H x 9" W x 1" D; Front accessories pocket: 10" H x 6" W * Left zipper pocket: 8" H x 4.5" W with mesh water bottle pocket and adjustable stripe; Right zipper pocket: 9" H x 4" W * Adjustable padded shoulder strap with lock buckle and elastic cell phone holder; Padded back panel; Material: Polyester * 3 Colors available: Black, Blue, Red