Thank you for viewing. This is a long-sleeved shirt from GAP. It's labeled as size S, but it's about a Japanese size M. I've worn it several times after purchasing it, but I think it's still wearable. Please understand that this is a used item before purchasing. Instant purchase is OK. Please read the product description and profile. If you have any questions or concerns, feel free to comment. Basically, we do not accept returns, so please understand that this is a used item before purchasing.