POLO Ralph Lauren Long T-shirt Long Sleeve Big Pony Marked Size: XL (Equivalent to M→L) Since this is an American size, it's likely equivalent to M→L in Japan. Please refer to the flat measurements for details. Flat Measurements (Approximate, with some margin of error): Shoulder width: Approximately 45cm Width (underarm to underarm): Approximately 51cm Sleeve length: Approximately 62cm Front length (shoulder to hem): Approximately 68cm Color: Blue Material: Unknown as the tag has been removed, but it's a smooth, glossy, and comfortable cotton material. It's in relatively good condition as it hasn't been worn much. Image 6: The tag has been cut off, possibly due to an anti-theft tag. Image 5: The logo is slightly worn. Thank you for viewing.