Pacsafe Metrosafe LS350 Anti-Theft 15L Backpack Solid-tone backpack with anti-theft technologies, rubberized front logo patch, and organizational options Hidden exomesh slash guard stainless steel wire mesh embedded into fabric helps protect against slash-and-run theft Lock about security clip and smart zipper security provide multiple layers of protection and lockdown points for zippers to help prevent pickpockets RFID safe blocking material built into a pocket in the main compartment helps protect IDs and credit cards from hacker scanning Pockets: 4 interior slip, 2 interior zip, 3 exterior