1970s Yves Saint Laurent "Le Smoking" Tuxedo Suit 1920s and Antique The shirt is lined through

The shirt is lined through the body in a silk chiffon

The upper seam on the bodice is elastic for the perfect fit

The coor is best shown in the label picture but it is a tad softer in real life

It has a side set zipper indicating its higher end construction

The lot notes there state:

1970s Yves Saint Laurent "Le Smoking" Tuxedo Suit 1920s and Antique The shirt is lined throughAfter the initial introduction of the tuxedo suit in the sixties Yves made a version of the famous Tuxedo suit every season. This version of that classic and iconic look has a wonderful cut and still feels infinitely wearable now. Made of a fine black wool that is easy to wear and feel very comfortable on, it has the most classic lines and is easily recognizable as YSL design. The skirt is a classic simple cut to the knee with a pencil skirt cut that