Because sizing and cut will vary between brands, please use this chart as a general guide.
If you are between sizes or need assistance selecting an appropriate size, please contact us at

Ring Sizes

The best way to measure your ring size, is to measure one of your own rings. Simply place your ring on a ruler and measuring the inside diameter.
Compare your existing ring size to the sizes listed on the chart below...

Please note: We recommend that you keep a record of your size for future orders.



Numerical Size Alphabetical Size Inside Diameter General Size
5 J 1/2 1.5 mm XXS
6 M 1.6 mm XS
7 O 1.7 mm S
8 Q 1.8 mm M
9 R 3/4 1.9 mm L
10 T 1/2 20 mm XL
Hat Sizes

Please refer to the chart below for accurate hat measurements. If you have any further questions, please don't hesitate to email us at

Hat size Alphabetical Size Centimeters Inches
Small S 53-55 21-21 5/8
Medium M 56-58 22-22 5/8
Large L 59-60 23-23 5/8