Terms & glossary

The measurement taken around the fullest part of the upper arm, used to check and adjust the fit of a sleeve pattern.

A measurement taken around the ribcage just above the fullest part of the bust, often used instead of full bust to choose a bodice pattern size.

The measurement of a pant leg from the waistband down to the hem, taken along the outer leg seam rather than the inner one.

The vertical measurement of a pair of pants from the crotch seam up to the top of the waistband, split into front rise and back rise.

A generalized set of body measurements assigned to numbered sizes by a particular pattern company, which can vary noticeably from one brand to another.

The measurement taken from the base of the neck down through the crotch, used especially to fit bodysuits, leotards, and swimwear correctly.

The industry practice of labeling ready-to-wear garments with smaller size numbers than their actual measurements would traditionally indicate, to flatter shoppers.