Tamrac 3375 Aero Speed Pack 75 (Black) Exterior Dimensions : (33.66 x 19.05 x 47.63cm) (WxLxH) Interior Dimensions :Top compartment: (26.04 x 15.24 x 20.96cm) (WxLxH) Bottom compartment: 11 1/4 x 5 1/2 x 8.0" (28.58 x 13.97 x 20.32cm) (WxLxH) The Tamrac 3375 Aero Speed Pack 75 Dual Access Photo Backpack (Rust) is a 600 denier PolyTek backpack with thick, closed-cell foam lining for shock and vibration protection. The Dual Access System allows fast access to the equipment either through a side door when the pack is worn over one shoulder or through the front panel when the pack is removed. For weather protection, the side door is equipped with a water-resistant zipper while the front panel has a weather flap. The 3375 has a foam padded bottom photo compartment that holds and protects a digital SLR camera with a 7 1/2" lens attached, 1-2 additional lenses and accessories. The large top compartment can hold personal items, such as a lunch or a light jacket. The side door accessory pockets hold memory cards and lens caps and there is an elasticized mesh side pocket that provides convenient access to a water bottle. The backpack is carried by an EasyGrip padded carrying handle and a comfortable, foam-padded, contoured harness that spreads the weight of the camera gear across the shoulders.