This is a 12Twelve Agenda five-sleeve, thin knit sweater. It's a sweater with a detachable collar. The sleeves have darts, which are lovely. Two types of ribbing make it look sleek and slim. The fabric is soft and stretches a lot. There is a small flaw on the left shoulder, but I don't think it's very noticeable. Please refrain from purchasing if you are concerned. Material: 65% rayon, 35% nylon Shoulder width: 33cm, Body width: 38cm, Length: 50cm, Sleeve length: 31cm Please note that there may be slight variations due to amateur measurements.