The skirt is pull on and fits true to size, with light support around the waist.

Measuring Tips
Bust: Measure around the fullest part, placing the tape close up under the arms.
Waist: Measure around the narrowest part of your torso, at the navel.
Hip: Measure 8 in (20 cm) down from your waist.
Use the closest measurements from the size chart to determine the best size for you.