Milwaukee 2368-L M12 Charcoal Gray Heated Hoodie Kit. This Heated Hoodie from Milwaukee Tools is powered by the innovative and durable M12 REDLITHIUM Battery. The water-resistant M12 Battery holder is placed in the back of the pocket, and can expand to fit M12 (48-11-2401, 48-11-2402, 48-11-2420, & 48-11-2440) Batteries. The same battery technology powers over 50 different Milwaukee tools, making this Hoodie ideal for convenient job-site heating on a personal level. The M12 Heated Hoodie features carbon fiber heating elements sewn throughout the Hoodie to ensure up to 6 hours of continuous and consistent heat, along with a washer and dryer-safe design. The Milwaukee 2368-L M12 Charcoal Gray Heated Hoodie Kit (Large) is The Hoodie is made from a durable cotton blend for a comfortable and natural feel. This Hoodie provides ample warmth in both spring and fall conditions and can double as an extra-warm liner for those extremely bitter winter days. This Hoodie features 3 adjustable heat zones, a waffle-weave thermal liner and rib knit cuffs to help keep in the heat inside.