The Milwaukee M12 Heated Shirt Jacket delivers unmatched warmth and versatility, using Hexon Heat Technology to provide superior heat retention and fast heating across two distinct zones - the hand pockets/core and the back. When paired with the M12 CP2.0 Battery, it offers an impressive runtime of up to 8 hours on low, 4 hours on medium, and 2 hours on high, giving you all-day comfort in a wide range of conditions. Its lightweight, wind- and water-resistant design is supported by a durable six-pocket layout, including a zippered battery pass-through pocket that keeps essentials organized and the battery securely positioned. Adjustable snap cuffs and a balanced fit create a clean, professional look while maintaining easy mobility, making this jacket ideal for layering. Whether you're on the job site or spending time outdoors, the M12 Heated Shirt Jacket is a reliable solution for staying warm and productive throughout the day.