I'Z FRONTIER I'Z Frontier Peltier Vest 3-piece type XL Size A complete set including the battery. You can charge it and use it from the day it arrives. Purchased at a store for 26,950 yen. I used it about 3 times, but I'm selling it because it didn't suit my style. I will also include the warranty, so there is a one-year manufacturer's warranty from July 6, 2025. Please check the photos carefully and understand before purchasing.