Lowepro Pro Runner Backpack SpecsMaterialExterior: 600 denier square rip-stop polyester Interior: Padded Interior: 210 denier nylon PU (polyurethane) Velex liningType of ClosureBuckles and zippersExterior Dimensions13.4 x 11.4 x 19.9″ (34 x 29 x 50.5cm) (WxDxH)Interior Dimensions12.2 x 6.7 x 18.5″ (31 x 17 x 47cm) (WxDxH) Notebook compartment: 12.2 x 1.8 x 15.6″ (31 x 4.5 x 39.5cm) (WxDxH)Tripod HolderYesWaist BeltYesAccommodatesPro digital SLR camera with attached lens (up to 300mm f/2.8) plus 4-6 lenses or flash, accessories, laptop with a screen up to 15.4″, tripod or monopod and personal itemsCarrying/Transport OptionsHandle Backpack harnessWeight6.0 lbs (2.7kg)Packaging InfoPackage Weight6.04 lbBox Dimensions (LxWxH)18.5 x 13.2 x 8.6″Lowepro Pro Runner 450 AW Backpack OverviewLowepro Pro Runner 450 AW Backpack (Black) is designed to carry and protect a Pro digital SLR camera with attached lens (up to 300mm f/2.8) plus 4-6 lenses or flash, accessories, laptop with a screen up to 15.4″, tripod or monopod and personal items. It is made from weather-resistant 600 denier square rip-stop polyester with a padded interior plus removable, padded inserts and adjustable dividers. The pack has an All Weather AW Cover that protects the camera gear from the elements. It also has rain flap lids that covers the zippered closure and offers added weather protection. There is a Hideaway Tripod Mount with foldout holder that secures a compact tripod or monopod. The SlipLock attachment loops will allow the addition of optional accessories. The backpack is carried by a durable rubber grab handle or adjustable, thickly padded shoulder straps with 5 adjustment points.ConstructionWeather-resistant exterior 600 denier square rip-stop polyesterPadded interior210 denier nylon PU (polyurethane) Velex liningRemovable, padded inserts with adjustable dividersBuckle and zipper closureAll Weather AW Cover protects camera and gear from the elementsRain flap lids cover zippered closure and offers added weather protection for camera and accessoriesHideaway Tripod Mount with foldout holder secures compact tripod or monopodSlipLock attachment loops allow addition of optional accessoriesPocketsMesh side pocketsDiscreet front pocket accommodates a light jacket, cell phone or MP3 playerMemory card pockets on inside lidZippered document pocketCarrying optionsDurable rubber grab handleAdjustable, thickly padded shoulder straps with 5 adjustment pointsPadded mesh back padSide compression straps with quick-release bucklesTuck-away waist strap