The Tech Aero Backpack is aerodynamically profiled & comes with a host of comfort & performance features that are specifically designed to enhance riding comfort. Incorporating new innovations such as the new anatomical shoulder straps & quick release strap system, this technical backpack is extremely convenient. Construction Advanced poly-fabric (600 denier on main shell, 1200 denier on base) outer construction is PU coated for additional strength & weight-saving, as well as enhanced durability & water resistance. Sport silhouette engineered for high cargo capacity with a low profile for aerodynamic performance. Fully expandable from 16 to 26 liters with internal laptop sleeve pocket to accommodate laptop computers, tablets & smartphone devices. Anatomically profiled back panel incorporates foam padding inserts & advances air-mesh to promote superb air channeling & enhanced comfort while riding. Back padding also helps distribute weight evenly across the back area whic...