A technical term referring to a unit of yarn
number equal to the weight in grams of 9000 meters of the yarn
. It is used for silk
and man-made yarn
s in hosiery as a description of sheer
ness.The lower the denier number, the more sheer
the stocking, panty hose, or garment. For instance, 40 denier hose are much finer and more sheer
than 60 denier hose.