Our M12™ ToughShell™ heated jacket is powered by M12™ REDLITHIUM™ battery technology and features an advanced heat technology system that combines lightweight and durable carbon fiber heating elements, quick heat functionality, enhanced fabric construction and optimized interior liners to deliver heat built to outlast. Our new generation ToughShell™ stretch polyester has been re-engineered to stretch and move as you work while being as tough as previous ToughShell™ jackets. This Milwaukee® heated jacket has a unique battery pocket pass-thru design that is easy-to-use with front or back pocket battery placement, allowing you the versatility and comfort needed depending on the situation. This Milwaukee heated coat is a go-to for protection from the elements on the jobsite or when enjoying the outdoors.