The MILWAUKEE Gray XL M12 TOUGHSHELL Heated Jacket Kit is powered by M12 REDLITHIUM Battery Technology and features an advanced heat technology system. Combining lightweight and durable carbon fiber heating elements, Quick-Heat functionality, enhanced fabric construction, and optimized interior liners, the M12 TOUGHSHELL Heated Jacket delivers HEAT BUILT TO OUTLAST. The new generation TOUGHSHELL Stretch Polyester has been re-engineered to stretch and move 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 for versatility and comfort 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.