The back has three layers--an underling, interfacing, and a stay which support and provide a smooth foundation over the shoulders and at the hem. The side section has only two layers--the underlining and interfacing around the armscye.

• 后片有三层,衬里、衬布和撑条,撑条起支撑作用,并在肩部和底边处形成平顺造型。侧片只有两层,衬里和衬布。