This is a navy custom fit Polo shirt from Polo Ralph Lauren, featuring an embroidered USA flag and a big pony. The size is SP. It seems to be a Japanese size M. I don't know the details because it was at my parents' house. There is some slight wear, but there are no stains or fraying. Shoulder width: about 42cm Sleeve length: about 8cm Chest width: about 43cm Hem width: about 45cm Length: about 72cm Measurements are approximate. Please understand that there may be some errors. - Brand: Polo Ralph Lauren - Color: Navy - Style: Custom Fit - Design: USA flag and Polo horse embroidery - Sleeve Length: Short Sleeve Thank you for viewing.