Workman heated stretch outdoor pants These pants are warm even without a battery (battery sold separately) - Brand: WindCore - Model: WZ4250 - Size: M - Color: Black - Material: 80% Polyester, 20% Polyurethane - Features: Built-in heater, stretch material Original price: 3900 yen 【Important】Battery not included. These were stored at home after I outgrew them without having a chance to wear them. The instruction manual tag is missing. Since the electric heating sheet is included, please search for the instruction manual when washing or using a separately sold battery.