An ideal solution for the daily commuter who rides in to work or school and then hits the town right after, the Ortlieb Vario QL3. 1 Single Pannier attaches quickly and easily to your bike for the ride in, and then transforms into a backpack with padded shoulder straps once you're out of the saddle. Crafted from a sturdy, waterproof nylon fabric, the Vario keeps all of your gear well-protected from the elements, whether on wheels or on foot, and reflective details throughout boost your overall visibility for adventures that continue after the sun goes down. The Vario is easily mounted to your bike with the QL3. 1 mounting system, and the integrated helmet carrying system offers a stash spot for your lid when you're off the bike.