Bike Messenger Bag BlackA Manhattan Portage classic, the Bike Messenger Bag is designed along clean lines and features a hardwearing 1000D Cordura coating, a spacious inner compartment with an integrated zipper pocket for smaller items that may need to be kept separate. Its lid is secured with strong hook and loop closures and its sturdy shoulder strap is rendered fully adjustable by an indestructible metal strap adjuster.