This leggings fits true to size.
Parita (model 1) wears an X-Small. Parita is 5'5", with a 26" waist and 37" hips.
Amanda (model 2) wears a Medium. Amanda is 5'7", with a 29" waist and 40" hips.
Elise (model 3) wears a Small. Elise is 5'10", with a 25" waist and 34" hips.