Timbuk2 Command Laptop Travel-Friendly Messenger Bag Durable ballistic nylon fabric with waterproof TPU liner and a true fit cam buckle for single-handed adjustments High density foam laptop sleeve with crater holes for breezy air circulation; Includes a separate padded area for your iPad Clever zipper placement along the laptop compartment enables you to grab the bag and go whether zipped or unzipped Luggage pass through for your wheelie companion