39THIRTY SIZE GUIDE
Circumference
54.9
21 5/8
55.8
22
56.8
22 3/8
57.7
22 3/4
58.7
23 1/8
59.6
23 1/2
60.6
23 7/8
61.5
24 1/4
62.5
24 5/8
Cap Size
54.9
21 5/8
55.8
22
56.8
22 3/8
57.7
22 3/4
58.7
23 1/8
59.6
23 1/2
60.6
23 7/8
61.5
24 1/4
62.5
24 5/8
XSMALL - SMALL
SMALL - MEDIUM
MEDIUM - LARGE
LARGE - XLARGE
