The Winterized Backpack is a waterproof, lightweight backpack, perfectly suited for the all-weather all-terrain athlete. The backpack boasts an impressive list of features including a mesh bottle pocket, a waterproof zip pocket for small items, padded rear mesh panels for increased comfort as well as Lombard and sternum straps for support and stability while running. Keeping safety in mind for the hardcore night runner, the backpack also has numerous reflective elements such as reflective zip pullers, reflective points on the shoulder straps and laser cut lash tabs to attach lights ensuring that the wearer is visible even in the toughest environment.