How to measure: You will need a soft measuring tape. Only take measurements #1,#2,#4 Measure from tip of ear to tip of other ear on #4. do not measure in the crease.

Use a soft measuring tape. Only submit measurements 1,2,4 The metal piece to the #1 on the tape equals 1 inch, and so on. Measure from the tip of the ear to the tip of the other ear, when measuring #4. Do not measure in the crease.