Great as an outer wear or a comfy base layerSkin-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 storepower bank (power bank is NOT included)Warm Health Care: Built-in 5 pieces heat therapy pad quickly warm up, helps promote blood circulation and relieves muscles, shoulder and back discomfort;Zipper closureM: suitable for weight 40-50kgL: Suitablefor weight 50-60kgXL: suitable for weight 60-65kgXXL: suitable for weight 65-75kgXXXL: suitable for weight 75-80kgHand Wash or Machine Wash in Gentle CycleFast Heating & Stylish in the Outdoors: Warm heated vest for you to enjoy outdoor activitieslike camping, hunting, fishing, skiing, hiking or watching football game in this cold and chilly winter.