For accurate fit, please use the following charts to determine your size when ordering.

Clothing Size Measurements (Measure your body)

Chest/Breast : Wrap a tape measure evenly around the fullest part under the arms.
Waist: Wrap tape around your natural waistline, or where you actually wear your pants.
Hip: Standing with your feet together, measure around the fullest part of your hip (approximately 7-8 “below the waist). Don’t forget to keep tape level.
Inseam: Best taken from a pair of your own pants which you like the length of when wearing. Measure along the garment inseam from the crotch seam to the hem.
Sleeve length: From center back of your neck with your arm slightly bent, follow the tape around to your wrist bone.
Shoulders: Wearing a shirt, measure from one seam to the other crossing the shoulders. 

For the other international sizing systems, simply look up your size in the country that corresponds to yours.