'Outback Shade' Hat Size Guidelines
Head Measurements
Head Size
Hat Size
20-20 7/8
6 1/8 - 6 1/2
Small
21 - 22
6 1/2 - 7
Medium
22 1/8 - 23 1/4
7 1/8 - 7 3/8
Large
23 3/8 - 24 1/2
7 1/2 - 7 7/8
X-Large
24 5/8 - 26
8 - 8 1/2
XXL