Crumpler THE KEYSTONE Camera Backpack (Gun Metal/Grey) Water resistant 1000D Nylon shell & 420D Ripstop Nylon lining Rear opening main compartment w/ removable fully padded mesh w/ zip lid Brushed Nylon lined configurable camera compartment & removable laptop sleeve w/ 6 pocket organizer 2 x external covered & gusseted zip pockets Spine slot back pad