Custom Backpacks, Sherpani Tempest Hybrid Backpack - Water Resistant & Sustainable, Clever, functional and versatile, the Tempest from Sherpani's American Ethos Collection is a luxe bag that converts into a tote or backpack with one swift motion. Fashioned from sustainable hand-painted, hand-glazed, water-resistant 18 oz canvas and with vegan leather accents and gunmetal hardware, the Tempest features a main zippered compartment large enough to hold a 17" computer, three zippered exterior pockets and three interior pockets. ... #KS2003 $172.11/each.