Sandpiper of California Three Day Elite Lite Backpack, BlackConstructed of ripstop nylon fabric to shed weight without losing any of the functionality. Follows the #5041 series blueprint of features. Recongure the (3) accessory pouches to fit your organizing needs. Padded compartment to protect portable computers or tablets. Aluminum back stays improve cargo stability or can be removed to reduce weight further. Equipped with mesh lined back panel with air channels, organizer panel, quick access flat pocket,