Sizing Guide To determine your size, use your thumb and a ruler.

Place your thumb on a ruler and measure across the width of the thumb, from the left side to the right side. You may press down, but do not include the knuckle when you measure. Then use this reference chart to determine your size.

To see the reference chart larger, just click on it. Questions? Please call us at 1-800-797-0361
breathinghelp@maxairnosecones.com