Are you tired of freezing in the cold winter weather? Say goodbye to shivers and chills with our 9Areas Self Heating Vest Jacket! This innovative jacket features a built-in electric USB heater that provides instant warmth at the touch of a button. No more bulky layers or uncomfortable heating pads - just slip on this stylish vest and stay cozy all day long. Please note that this product does not include power banks, so you will need to use a 5V 2A 20000Ah or more power bank to operate the heating function. Simply press and hold the power button for three seconds to activate the heating element, and you're ready to go. The jacket is designed to be lightweight and comfortable, making it perfect for outdoor activities like hiking, camping, or simply running errands in the cold. When it comes to sizing, we recommend referring to our size chart and height/weight recommendations to ensure the perfect fit. Our model is 180cm tall and weighs 85kg, wearing an Asian size 4XL for reference. Keep in mind that Asian sizes tend to run 2-3 sizes smaller than European sizes, so please choose accordingly. Here are some helpful size conversions: - EU Size XS = Asian size M - EU Size S = Asian Size L - EU Size M = Asian Size XL - EU Size L = Asian Size 2XL - EU Size XL = Asian Size 3XL - EU Size 2XL = Asian Size 4XL Don't let the cold weather get you down - invest in our 9Areas Self Heating Vest Jacket and stay warm and toasty all winter long. Order yours today and experience the ultimate in winter comfort! Sample Reviews: 1. "I love my new self-heating vest! It's so convenient to just plug in my power bank and enjoy instant warmth. The sizing chart was accurate, and the vest fits perfectly." 2. "This jacket is a game-changer for me. I work outdoors in the winter, and this vest has made a world of difference in keeping me comfortable and focused on my tasks. Highly recommend!" 3. "I was skeptical at first, but this vest exceeded my expectations. The heating element works like a charm, and the vest is well-made and stylish. I'm thrilled with my purchase." Don't miss out on the opportunity to upgrade your winter wardrobe with our 9Areas Self Heating Vest Jacket. Stay warm, stay stylish, and stay comfortable all season long. Order now!