UNIQLO Alexander Wang Heattech. I believe it's originally designed to be a tight fit. It felt snug, like I was wearing compression underwear, so I've only worn it once or twice. Since I've hardly worn it, there's no pilling or tag wear. I washed it in delicate mode for this listing. 【Shipping Method】 It will be simply packaged in an OPP bag and shipped via Rakuraku Mercari Bin Nekopos. ● Other Notes: Please check the photos and understand that this is a used item before purchasing. I'm offering it at a lower price than the market value, so please take this opportunity. I am also listing other items, so please be aware that I may suddenly remove this listing. Please note that as this is a used item, we regret that we cannot accept returns or exchanges. This is a USED item. Please refrain from purchasing if you are sensitive to used clothing or do not understand vintage clothing. Also, please refrain from purchasing if you are concerned about folding wrinkles during shipping. Thank you for your understanding.