This is a top by Yukisaburo Watanabe. It's a product from over 30 years ago. Size: Front length: 54cm Back length: 70cm Shoulder width: 56cm Sleeve length: 49cm Cuff: 18cm This is a Showa-era retro item. It resembles a sailor suit collar, but the long back is a distinctive feature. The back is long enough to cover the hips. Similar designs have been seen recently. Material: 50% Acrylic, 50% Cotton It's a sturdy material. Please note that this item has been stored at home. Thank you.