Interior : Internal 8 inch mesh zippered pocket. Internal mesh zippered pocket for supplies and additional storage. Top pocket for easy access for keys, wallet, hand sanitizer, etc.… Internal divider with padded storage of the inside of the back wall for a tablet, laptop, and other smart devices. Exterior : Backpack Dimensions - 18.5" High, 12.5" Wide and 7" Deep. Two 7 inch side pockets. Branded SPACE JUNK metal zipper pulley. Large side pockets for water bottles and other items. Large front zippered cargo pocket. 360-degree reflectors on front, sides, and back patches for visibility and safety. S-Shaped ergonomic design with padded adjustable shoulder straps to protect back and shoulders. Fully ergonomic back padding panel design, made from breathable, sponge like fabric for increased comfortably.