DEWBU Modern Heated Softshell Jacket DB-12 2.0 DEWBU is a specialized contemporary brand focused on electrically heated outdoor apparel and utility workwear designed for extreme cold environments. This softshell jacket model DB-12 2.0 combines elements of tactical outerwear with internal heating wire conduits powered by a portable battery pack. The exterior shell utilizes a technical polyester-spandex stretch blend with hook-and-loop patch fields on each shoulder and utility zippered pockets. While practical for outdoor winter activities and modern utility needs, especially in colder climates. Does not come with battery pack.