Mod K-pop geometric dress by  Steve J & Yoni P, Korean Designers.
Black & White Retro 100% wool (almost suiting material).
 Dress Sz M (would say it fits between a US 4 and 6 but see measurements). No tags but I don't believe I have worn this out before, bought over 10 years ago, in excellent, almost new condition. Cut out embellishments in the front and back. Side zipper. One kick pleat in the back.

Approximate measurements while flat:

Armpit to armpit: 16"
Waist: 14.5"
Length from top of shoulder to bottom: 34"