A step up from the Mach 1, the Mach 3 boasts our bolstered back foam to increase ventilation, soft neck shoulder straps that don't dig in when picking up speed, and a 360 retro relfective 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. FEATURES 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 and ; 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. High visibility red interior lining. 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 and duo ; laptops. Padded iPad/tablet/e-reader sleeve. Custom metal Ogio logo and trims. Dimensions: 19 and ; H x 12.5 and ; W x 6.5 and ; D Weight: 2.7 Lbs. Capacity: 1350 Cubic Inches. Hydration ready.