THM06 measurements in inches
Brand Size Waist (in) Hips (in)
M 26.0–29.5 30.0–34.5
L 27.5–32.0 31.5–36.0
XL 29.0–34.0 33.0–38.0

Runs small. Silk has limited stretch, and the open back leaves the hips uncovered. Choose your size primarily by your waist measurement. If you're between sizes, choose the larger size.