Polyester Imported Please size up, as this style runs small. The label reads "Women" (system display clarification). Smart Independent Control: Topdot heated jacket features 3 independently controlled sections with 10 heating zones, covering the front part (Chest, Abdomen), back (Back, Waist, Neck), and elbow part (Elbow) for even warmth. The dual-function button allows for a short press to turn off the night light and a long press to activate heating in all areas. Ergonomic Full-Region Heating: Powered by a 7.4V 16,000mAh battery, about 9 hours of continuous heat. Dual NTCs evenly regulate temperature to keep your body comfortable and prevent overheating, heated jacket for women offering 3 adjustable temperature settings: 8-9 hours (low/113 F), 5-6 hours (medium/131 F), and 3-4 hours (high/149 F)