The Urban Ex Rolltop 28L Backpack is the expanded version of Chrome's hugely popular Urban Ex line. Chrome, purveyors of highly functional and stylish cycling gear, built this rolltop bag to keep your essentials protected during your commute. Its unique construction makes for an incredibly tough bag that's waterproof, and because you can roll down the top to accommodate just what's inside, it's always the right size. This is a bag that just keeps getting better with age and will your go-to one that you'll always enjoy using.This bag is constructed out of waterproof 600 denier nylon for the upper and a durable synthetic rubber bottom. The panels are joined with a knurled welded construction, using high-frequency radio waves to permanently bond the pieces of fabric. This construction creates a completely waterproof bag by preventing any water intrusion while also minimizing bulk. This 0ffers great peace of mind if you get caught riding in a shower while utilizing either the internal iPad or 15in. laptop sleeves. This bag includes a quick access storage compartment for keeping essentials close at hand and five-bar handles for extra hauling options. The reworked two-strap shoulder harness is redesigned for added comfort and adjustable to fit cyclists of all shapes and sizes. Reflective MOLLE webbing on the face and harness for offer maximum visibility if your commute home happens after the sun has set.This Chrome Urban Ex Rolltop is 28L in volume and comes in the colors Black or Ranger/Ranger.