Rick Owens lamb leather rider's jacket. The material is lamb leather, which is very soft and lightweight. I usually wear size 46. If you are looking for one, please consider it. Product number: RU4766 LB Color: Black Fabric: 95% lamb leather, 5% wool Size: XS Purchased at: Domestic select shop, with Eastland tag. Measurements are taken flat on the surface. Please allow for some margin of error. Width: 45cm Shoulder width: 42cm Length: 65cm Sleeve length: 72cm If you have any other questions, please feel free to ask.