Boned corsets with ribbon and lace trim have spandex side panels for ease of movement and comfort. Back opening has faux lacing that conceals separating zipper. Separate pattern pieces for A/B, C and D cup sizes.
A,B,C,D: Satin, Cotton Sateen, Silk.
Contrast A,B,C,D: 4-Way Stretch Knits - Elastane (Spandex).
Lining (Sides): Elastane (Spandex).
Interfacing: Lightweight Sew-in.