Tilley Product Size Guide

6 7/8 7 7 1/8 7 1/4 7 3/8 7 1/2 7 5/8 7 3/4 7 7/8 8 8 1/8 9
Head Circumference cm 55 56 57 58 59 60 61 61.5 62.5 63.5 66.5 66.5