A step up from the Mach 1, the Mach 3 Motorcycle Backpack with No Drag Technology boasts our bolstered back foam to increase ventilation, soft neck shoulder straps that won't dig in when picking up speed, and a 360 retro reflective safety piping and logo. The personal electronics pocket comes fleece-lined, while the added shoe storage compartments make professional commuting a breeze. What's more, the Mach 3 has a removable helmet carry strap and a padded tablet sleeve in addition to the laptop compartment. The organizer panel comes with a security pocket, while the interior lining features an updated red. Dimensions: 19" H x 12.5" W x 6.5" D Streamlined single shot molded exterior is water resistant and will not deform from wind shear Shoulder gasket conforms to body and increases aerodynamics Bolstered back foam profile increases air ventilation Soft neck shoulder straps increase comfort while riding and will not scratch helmet exterior 360-degree retro reflective safety piping and logo Removable off center hip belt won’t scratch gas tank Zippered fleece lined personal electronics pocket Large main compartment with multiple interior storage compartments Fully featured organizer panel with zippered security pocket Dedicated shoe storage compartments for the commuting professional Ergonomic, padded and fully adjustable riding specific shoulder straps with quick release exit buckle Concealed aerodynamic carry handle.Fully adjustable and removable no slip sternum strap Integrated removable helmet carry strap Interior padded laptop sleeve with elastic closure fits most 15” laptops Padded iPad/tablet/e-reader sleeve Hydration ready