This is a SOU・SOU children's "mojiri-sode" (a type of jacket), size M. It was worn only once for an outing and has no noticeable stains. SOU・SOU Children's Mojiri-sode Size M (1-4 years old) Equivalent to 95-100 size It's reversible with high-quality fleece and a patterned side, both sides are cute. Quoted from the official website below ↓ "Mojiri-sode" is... A haori (Japanese jacket) with a motif of Ainu ethnic costumes. The sleeves, made by folding a single piece of fabric, are a distinctive feature. ●Material Outer fabric: 100% polyester Lining: 100% cotton Ise cotton Original price: 11,900 yen It seems that some people wear it for New Year's and Shichi-Go-San (a traditional Japanese festival for children)!