This is a classic Patagonia T-shirt, particularly popular, with the P-6 logo boldly printed on the back. ● Brand: Patagonia ● Model Name: M's P-6 Logo Responsibili-Tee ● Size: S (Regular Fit) US size S, equivalent to Japanese size M ● Actual Size (flat measurement) Shoulder width: 44cm Width (underarm): 48cm Length: 68cm Please forgive any slight errors due to amateur measurements. I own multiple shirts and am selling this one to organize my collection. It has been stored in a smoke-free and pet-free environment. This is a used item, so please purchase only if you understand the condition. Please feel free to comment if you have any questions. Shoulder width / Width / Sleeve length / Length Shoulder width: 44cm Width: 48cm Length: 68cm Color: Blue系 (Blue-based)