This is a quilted jacket made with Light Thermo (high-performance heat storage) technology. The back is quilted, and the sleeves and sides are a bi-material of sweat fabric. I purchased this from someone else, and I have only tried it on. Size: 9 (M) Color: Black Fabric: Polyester, Cotton Sleeves and Sides: Polyester, Rayon, Polyurethane Lining: Polyester Filling: Polyester Hood: Non-removable Item No.: 53141822 Brand: Allumer Pockets: Yes Length: Front 60cm, Back 68cm Width: 51cm Shoulder Width: 40cm Sleeve Length: 61cm The design has a difference in length between the front and back. [From the previous owner] Purchased at Mitsukoshi Department Store. Used once, for less than 3 hours. Original Price: ¥21,000 No price reduction is possible. Light Thermo: Absorbs and converts infrared rays to generate heat.