1920s Brassieres and Bandeaux Pattern Sewing Pattern - 1920s Brassieres and Bandeaux Pattern - Sewing Pattern. Fits busts 32" through 48", waists 28" through 44" and hips 38" to 54" with instructions how to alter for larger sizes. Designed to flatten the bust and ignore the waist, it is the essential garment to wear under your 1920s dresses. All sizes are included in one pattern. Detailed instructions, period tailoring directions, embellishment suggestions, and historical notes are also included. Make yourself some great Flapper underthings with this pattern!