If we're commuting when the sun doesn't shine, it's integral that we have a reflective pack like the ORTLIEB Vario PS High Visibility Pannier strapped to the bike. ORTLIEB's Flap features highly reflective threads to keep us visible when traveling in the dark, and it doubles as a compressive pocket for the pannier's hybrid-style backpack straps. On and off the bike, we rely on this pack to keep our work essentials safe; the waterproof fabric and roll-top closure keep wet weather out of the bag, and the padded laptop sleeve ensures bumps in the road don't translate to cracks in our screen.