This is a lambskin jacket. The inside is a stylish orange color. Here are the flat measurements: Width: 59cm Shoulder width: 50cm Hem width: 55cm Sleeve length: 59cm Length: 68cm Please allow for slight variations as these measurements are approximate. It feels like a Japanese L size, but with a larger chest and hem. It's a fairly roomy size, so you can wear a protector inside and use it for motorcycling. The collar can be attached or detached with a zipper. There is some wear on the inside of the sleeve cuffs from use. There is no tag.