Hats & Headwear Sizing
Applies to Diamond Product Types: Mens Hats Curved Brim.
| Size | Head Circumference (in) | Head Circumference (cm) |
|---|---|---|
| Adult One Size (Snapback) | 21.5" - 23.5" | 54 - 60 cm |
Fit Note: Diamond Supply Co. snapback and strapback hats are universally sized with adjustable rear closures to fit most adult head shapes comfortably.