Size	Torso Length	Waist Circumference
S/M	12-19.5 inches	24-45 inches
M/L	17.5-21.5 inches	29-51 inches

 

How to measure

Torso length

Measure between the iliac crest (the top of your hip bones) and the C7 vertebra (feel for the protruding bone at the base of your neck while looking down.)

Waist circumference

Measure around your hips at the iliac crest (the top of your hip bones), not at your waist.