1. Fast Heating & Stylish in the Outdoors: Warm heated vest for you to enjoy outdoor activities like camping, hunting, fishing, skiing, hiking or watching football game in this cold and chilly winter. Great as an outer wear or a comfy base layer 2. Skin-Friendly Material and Neat Design: this practical gilet is made of lightweight Spandex, crafted with ultra-breathable lining ensure soft and comfortable to wear. Features zippered side pockets to store power bank (power bank is NOT included) 3. Warm Health Care: Built-in 5 pieces heat therapy pad quickly warm up, helps promote blood circulation and relieves muscles, shoulder and back discomfort 4.Hand Wash or Machine Wash in Gentle Cycle Zipper closure M: suitable for weight 40-50kg L: Suitable for weight 50-60kg XL: suitable for weight 60-65kg XXL: suitable for weight 65-75kg XXXL: suitable for weight 75-80kg