A catalytic combustion heating device 3 for generating heat by oxidation reaction of fuel gas stored in a fuel tank 24 and air in a combustion unit 29 is installed in a mount 4 provided in a jacket 1. The mount 4 is fastened to the waist of the body wearing the jacket 1 by a holding band 9, and the load applied on the shoulders through the jacket is lessened and comfort is improved. Thus, a warming jacket capable of warming the body comfortably is obtained.
