A guide to help you understand Ponyflo sizing
Ponyflo caps are one size fits most (OSFM). Each Ponyflo measures 57cm, which is approximately 22.4 inches.
To get an accurate measurement of your head size, use a soft tape measure and wrap it around your head about 1/8" above your ear.
Keep in mind, Ponyflo is designed with an adjustable Velcro in the back, so it allows you to make it slightly bigger or smaller.
Watch the video below for a step by step tutorial on how to wear