*PLEASE NOTE - most hat sizes tend to run half a size big.

If you are between sizes we recommend choosing the smaller size

 

PEAKY HAT SIZING CHART

Head size (inches) Hat Size Hat Size (cm) Hat Size Traditional
21 1/8 – 21 1/4 Small 55cm 6 7/8 - 7
21 3/8 – 22 1/4 Medium 57cm 7 1/8 - 7 1/4
22 3/8 – 23 1/4 Large 59 cm 7 3/8 - 7 1/2
23 3/8 – 24 1/4 X-Large 61cm 7 5/8 - 7 3/4
24 3/8 – 25 5/8 XX-Large 63cm 7 7/8