Durable ballistic nylon and exquisite calfskin trim detailing means lasting appeal for an elegant yet practical backpack featuring an organized interior with an array of smart pockets-including a padded one specifically for your laptop. Tumi's patented Add-a-Bag strap slips over extended luggage handles, allowing you to stack and carry heavier bags on your wheeled luggage, while the backpack straps stow away, allowing you to carry as a stylish tote. Style Name:Tumi Larkin - Paterson Convertible Nylon Backpack. Style Number: 5381864. Available in stores.