It's a nylon midi skirt of Daylife.
You can wear it as a daily item with a midi-style length, and a slit on the right side is added to highlight it. You can adjust the waist with a strap and wear it with a nylon collar zip-up of Daylife. Notice : Top is purchased separately.

INFORMATION  

Size｜ONE SIZE
Fabric｜Nylon 100%
Colors｜NAVY, PURPLE
(Product color may slightly vary due to your monitor settings.)
Size guide｜ONE SIZE : LENGTH 57cm, WAIST 34cm, TIGHT 31cm, HEMLINE 30cm, RISE 4cm
Model size｜Ha Neul : Height 165cm, Usual size 44(XS)
Origin｜Korea