For Women
BUST: Measure the fullest part.
NATURAL WAIST: Measure the narrowest part, usually a little above the belly button.

For Men
Classic style is our good old slim fit. It's not too tight but perfect for layering.
Regular style is looser, more relax fit. It's casual and comfortable.
CHEST: Measure around the fullest part of your body with your arms lifted slightly.
LENGTH: Measure from the top of your shoulder, right next to your neck, to where
you like your shirt to end.
