The medium water-repellent Advanced Tri Backpack M from Manfrotto holds a DSLR with a grip an attached lens four extra lenses & a flash between rigid touch-fastened interior dividers. It will also accommodate an 11 laptop behind a divider in the top compartment. Interchangeable shoulder straps on the Tri Backpack allow it to be carried in three different ways a right or left-handed sling a dual shoulder harness or in an X position. The backpack features a reversible quick-access panel to the main compartment which means that you can reach your DSLR at your front when wearing the backpack as a sling. in addition there is a spacious top compartment for extra accessories & a variety of interior & exterior pockets. The Advanced Tri Backpack features a front tripod attachment. To secure your tripod there are two included quick-release belts. One belt hooks through the two loops at the base of the backpack & then secures to the tripods legs. Another belt secures the top of your tripod to the loop at the top front of the backpack. For extra protection from inclement weather a detachable rain cover is included. The backpack can be carried by the padded grip handle at the top or transported like luggage thanks to the nylon-webbed trolley strap at the back.