Powered by M12 REDLITHIUM -ION Battery Technology, the 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. 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. Features: One-touch LED controller with (3) heat settings per zone (High, Medium, Low) 2 Heat Zones: Chest and Back Up to 8 hours runtime when used with M12 REDLITHIUM -ION 3.0Ah battery pack Waffle weave thermal lining traps heat and provides increase warmth and comfort Fitted hood provides full range of vision when worn under a hard hat Reinforced pocket edges prevent fraying and tearing from extended use Water and wind resistant Washer and dryer safe Options M12HHGREEN40L M12HHGREEN40S M12HHGREEN40M M12HHGREEN40XXL M12HHGREEN40XL Options M12HHGREEN40M M12HHGREEN40S M12HHGREEN40L M12HHGREEN40XL M12HHGREEN40XXL