Lowepro Streetline SH180 Urban Slim Messenger Bag canvas Weather or not: no problem with our custom blend of coated fabrics with the look of canvas and the high, moisture-repelling performance of a synthetic Messenger-style design to wear over shoulder or across body; adjustable shoulder strap helps you get a custom fit Multiple pockets offer easy access to quick-grab items like transit passes, keys, pens, etc.  Stretch side pocket holds a compact umbrella Super-roomy, under-flap storage space buckles closed for extra protection when needed Trolley sleeve/panel crafted of non-snagging material