Gravis Metro Backpack– Durable, efficient and darn good looking, the Gravis Metro Backpack is the perfect accompaniment to any trip you’ve been planning. With all sorts of storage compartments, the Gravis Metro Backpack will hold more than you might think. The main and front compartments hold interior organizing pockets to keep everything in its place. Feel the innovation of a laminated ergonomic shoulder and take on your next adventure head on with the Gravis Metro Backpack.