Milwaukee M12 HJ heated jacket ,grey,with charger and battery Carbon fibre heating zones - conducts heat to key areas of the body, right down to the pockets. Outstanding uptime, up to 8 hours of heating on a single charge at low levels. Touch button switch, easy three-step temperature adjustment. TOUGHSHELL stretch 90% polyester and 10% spandex fabric. Extra fabric tucked under the arms for increased freedom of movement. Slim fit design with extended back prevents heat loss and keeps user warm. M12 battery controller with 1A USB connection for on-the-go charging of portable devices stored in the hidden battery pocket. Protection from rain and wind, large pockets on hand and chest. Machine washable and dryable.