To get your hat size, measure around your head above the eye brow ridges. Then use the chart below to convert that measurement to the Scala hat size in column 4. Use this measurement when ordering.

Head Size in Inches
Head Size in Centimeters

Standardized Hat Size (American)

Matching
Scala/Roper Raffia Size

21 5/8 to 23 3/8
54.9 to 59.3
OSFM
OSFM
21 1/2
54.6
6 3/4
 
21 5/8
54.9
6 7/8
 
22 1/8
56.2
7
Small/Medium
22 1/2
57.2
7 1/8
 
23
58.4
7 1/4
23 3/8
59.3
7 3/8
Large/X-Large
23 3/4
60.3
7 1/2