Top-loading computer compartment allows for quick removal of your notebook computer at security checkpoints Outer case is made from 1680 Denier Ballistic Nylon, which exceeds US military specification for durability and strength of materials used together with bulletproof vests and flack jackets see mil. spec. code MIL-C-12359F [GL]) DropShield Protection - Protects your computer through bumps and drops Rugged and self-repairing industrial-strength size-9 zippers Contoured shoulder strap for strong and secure comfort Front organizational compartment - A place for everything and puts everything in its place