Tumi Mens Backpack. SKU: 0232793DNX. Color: Black Onyx. Size: L 16.14 x H 7.48 x W 14.17. Tumi Navigation Adjustable Shoulder Strap Backpack. This Navigation Backpack features zip access to the main and padded laptop compartments, a top carry handle with a leather wrap, and zip expansion for extra space. It includes a padded mesh back panel for comfort, daisy chains for TUMI+ accessories, and multiple pockets: a front U-zip, front zip, two side zip pockets (one water-resistant with an air vent), and a back phone pocket with a hidden magnetic closure. Additional features include an Add-a-Bag sleeve, luggage tag, internal card and media pockets, padded tablet pocket, key leash, TUMI Tracer, and pen loop. Material: Nylon.