Vintage 1980s Japanese Womens 3 Geisha Nylon Shirt Dark Blue Size Medium

This is a vintage 1980s Japanese womens 3 geisha nylon shirt in dark blue. It is a size medium, and measures 21 inches from underarm to underarm, and 26.5 inches from the top of the shoulder to the bottom of the shirt. The shirt has no sleeves. The shirt has 2 tags sewn into it that say nylon. There are two 5 inch slits on the sides of the shirt. Thanks for looking!