Hat Sizing ChartMay 13, 2018 July 15, 2020 SMALL MEDIUM LARGE X-LARGE XX-LARGE cm 54 55 56 57 58 59 60 61 62 63 UK size 6 5/8 6 3/4 6 7/8 7 7 1/8 7 1/4 7 3/8 7 1/2 7 5/8 7 3/4 How to measure your head Take a tape measure, or you can use a piece of non-stretch string […]