Don't get caught in the cold with the Smart USB Heated Electric Trousers Available in men and womens sizes  One button heating, three-speed temperature control for intelligent heating General USB interface power supply Quick and effective infrared heating Waterproof and warm, anti-static, light and breathable design Adjust betweem 3 x temperatures: 25°C, 35°C, 45°C Made with cotton and carbon fibre Please see images for complete size guide Save 58% on the Men's or Women's Smart USB Heated Electric Trousers