Whistle & Pop Hats Size Guide

Hats

WHAT’S MY SIZE?
The best way to determine what your size is to measure the circumference of your head where you want to wear it. Please refer to the sizing chart on the product page before you measure.

MEASURING YOUR HEAD
Measure the circumference of your head approximately 2.5cm (1") below the hairline to the back of the head.
If you are unsure or in between sizes we recommend sizing up and adding some hat fillers for the perfect fit.