-Brass wire on nasal bridge to promote a snug fit and prevent glasses from fogging up
-Adjustable, around the head ties
To find your size, measure from the distance from ear hole to ear hole, with the tape measurer going over the point of your nose. If you don't have a flexible tape measurer, you can use a piece of string or yarn and then put it up to a ruler.
Adult Small: 10.5"-13"
Adult Large: 13"+