CamelBak Adult Urban Assault XL Hydration Backpack 100% Nylon * Dynamic Suspension harness, 15mm EVA foam padding and removable waist belt; 5mm EVA foam padded laptop compartment that doubles as a reservoir pocket * Adjustable-length elastic sternum strap * Two zippered side pockets for bottle and power cords * Security stash pocket for important travel documents located in overflow pocket for easy access; Enough internal volume for a quick overnight trip or taking work to and from the office * CamelBak Got Your Bak Guarantee: If we built it, we'll Bak it with our lifetime guarantee