I think it's about size 100. How about wearing it in a place with air conditioning? Thank you for viewing. Likes without the intention to purchase are not needed (⁠•⁠‿⁠•⁠) It's a used item. There are fold wrinkles. There are no noticeable scratches or stains, but it's a casual inspection. In the unlikely event of any defects, we cannot accept returns or refunds. Please refrain from purchasing if you are nervous. Please read the profile before purchasing.