Know Your Cap Size
To get your size, measure comfortably around your head where your cap will sit, with a tape measure. Take that number in inches, divide by 3.14 (pi) and round up to the nearest eighth. This is your cap size. See the chart for size conversions. You can also print out our hat sizer, click here.
7 ⅜ is the most common men's size
Sizing
IN"
CM'
Hat Size
XS
20 ⅜
52
6 ½
20 ¾
53
6 ⅝
21 ⅛
54
6 ¾
S
21 ½
55
6 ⅞
21 ⅞
56
7
M
22 ¼
57
7 ⅛
22 ⅝
58
7 ¼
L
23
59
7 ⅜
23 ½
60
7 ½
XL
23 ⅞
61
7 ⅝
24 ¼
62
7 ¾
XXL
24 ⅝
63
7 ⅞
25
64
8