Simplicity 8161 Misses' 18th Century Costumes. Available in two sizes: 6-14 & 14-22. Designed in Association with American Duchess, this would make a good day dress. This is a costume pattern that may be made as a gown or a bodice with a separate stomacher and petticoat. This should be worn with the correct underpinnings, such as the stays, shift, and bum pad found in Simplicity 8162. Uncut w/ Factory Fold.