I believe this is a foreign brand, but I don't have any information about it, and the details are unknown. However, judging from the design, I think it's a brand of some quality. The left side is double-layered, please refer to the images. Please consider it. Please refrain from price negotiations. It's a size L with the following measurements: Shoulder width 56cm, Body width 65cm, Sleeve length 25cm, Length 75cm. Also, there is no material listed, but I believe it's high-quality cotton. - Brand: BSAPA - Size: L - Color: Beige - Style: Short-sleeved shirt Thank you for looking.