Stormy Kromer Size Chart
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.
7 ⅛ is the most common women's size
| SIZING | IN" | CM" | HAT SIZE |
| XS | 20 3/8 | 52 | 6 1/2 |
| 20 3/4 | 53 | 6 5/8 | |
| 21 1/8 | 54 | 6 3/4 | |
| S | 21 1/2 | 55 | 6 7/8 |
| 21 7/8 | 56 | 7 | |
| M | 22 1/4 | 57 | 7 1/8 |
| 22 5/8 | 58 | 7 1/4 | |
| L | 23 | 59 | 7 3/8 |
| 23 1/2 | 60 | 7 1/2 | |
| XL | 23 7/8 | 61 | 7 5/8 |
| 24 1/4 | 62 | 7 3/4 | |
| XXL | 24 5/8 | 63 | 7 7/8 |
| 25 | 64 | 8 | |
| KIDS | IN” | CM” | HAT SIZE |
| NEWBORN | 16 |
5 1/8 |
|
| INFANT | 18 | 5 3/4 | |
| TODDLER | 19 1/2 | 6 1/4 | |
| CHILD | 21 1/8 | 6 3/4 |