This is a Ralph Lauren long-sleeved shirt. It has a blue-系 check pattern with navy embroidery on the chest. The fabric is not for winter, but for year-round wear, so you can wear it for a long time. The size is M (10-12), which I think is equivalent to 150-160cm in Japan. It's in beautiful condition, having been worn only once or twice. It has a smooth feel and stretch, and looks great worn on its own or over a T-shirt. I am also selling a Ralph Lauren shirt in a different size with a red check pattern, so it would be great for siblings.