This is a double-breasted blazer that can be worn both on and off duty. I wore it a few times during one winter. There is no noticeable damage, and there are no wrinkles from wear, but there may be some oversight. The size is Y4, but it's slim fit. Please refer to the actual measurements. Shoulder width / Body width / Sleeve length / Length Shoulder width...41.5cm Chest width...47cm Sleeve length...60cm Length...67cm Color...Double weave, navy on the outside, glen check on the inside Material...Wool (winter material), back lining polyester Buttons...Metal buttons with foot Season...Autumn/Winter Stains, tears, odors, etc...None Cancellations and claims are not accepted after bidding. Thank you for looking. Shoulder width / Body width / Sleeve length / Length Shoulder width...41cm Body width...47cm Sleeve length...60cm Length...67cm Color...Navy系 (Navy-based) Pattern...Solid Stains, tears, odors, etc...None