Plenty of space for your day at the office ndash no matter whether your office is in a meadow a cafeacute or an old factory building on the other side of town the ortlieb commuter daypack city is a waterproof city backpack made of lightweight durable nylon fabric with its roll closure its large main compartment and its padded notebook compartment it provides a secure place for your documents and other gear no matter what the weather and thanks to its outstanding carrying comfort it