Looking for a bag to make your bicycle commute more convenient? The Ortlieb Velocity 2020 Cycling Backpack is it. In fact, this entirely waterproof backpack includes a padded laptop case to protect your computer. Moreover, there’s also an interior zippered compartment for little everyday carry items. Available in five color schemes and two capacities, the Velocity Neu can hold 17 or 23 liters. With a courier-style roll-top design that closes with VELCRO, the Velocity backpack is extremely durable and rated..