The vanguard up rise ii 48 backpack gives quick safe access to your camera as needed it has the unique ability to expand which allows you to fit different gear needs with one easy zipper motion while still keeping gear protected there is built in protective foam in the expansion section rrthe up rise ii 48 features innovative new buckles which enables photographers to retrieve gear via its quick side access in one seamless motion just squeeze the buckle and pull to open then snap the