Milwaukee M12 jacket with built-in carbon fiber heating elements. They heat your chest, back and hand pockets and you can adjust the temperature. There are three heating modes that can be easily switched with one button. Now about the material, the jacket is made of ToughShell Stretch polyester - it is 5 times stronger than previous models. It protects against wind and water, so you'll be warm and dry. The heated jacket is powered by the M12 REDLITHIUM battery, one charge is enough for 8 hours of use, battery and charger come with it. The jacket has special FreeFlex inserts that allow freedom of movement, you can work without feeling stiff. Machine washable and tumble dryable, no hassle to maintain. It also has tons of pockets - three on the outside, one on the inside and a special pocket for the battery.