Powered by MILWAUKEE M12 REDLITHIUM Battery Technology, the MILWAUKEE M12 Heated Hoodie provides HEAT BUILT FOR COMPLETE COMFORT. Using a one-touch LED controller, the advanced carbon fiber heating elements create and distribute heat to the chest and back. The Quick-Heat function allows users to select from three heat settings and feel heat 3X faster than market competitors. A hidden battery pass-thru pocket construction allows for front or back battery placement, increasing comfort and flexibility depending on the situation. Combining a durable cotton/polyester fleece and comfortable jersey lining, this hoodie provides a versatile three-season solution to keep heat in and not add bulk. Advanced Heat Technology System with Quick Heat Function: 3X faster heat up time Battery Pass-Thru: Position the battery in the Front or Back Pocket to improve comfort Up to (8) hours of run-time with the M12 REDLITHIUM CP2.0 Compact Battery Pack on low setting