SIZE GUIDE
We translated traditional ring sizes into our own XS–L system, based on real hands and real wear.
We have 4 models:
Size XS — EU 49 / US 5
Size S — EU 54 / US 7
Size M — EU 57 / US 8
Size L — EU 62 / US 10
look
How to find your exact size:
- Take a thin strip of paper (10cm long) and wrap it around the base of your finger.
- Mark where the paper overlaps.
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Measure the length from the end to your mark in millimeters — that’s your result (standardized US size)
- Use the chart below to find your recommendation.
| 00FIERCE Size | US Size | EU Size |
| XS | 5 | 49mm |
| XS-S | 6 | 52mm |
| S | 7 | 54mm |
| M | 8 | 57mm |
| M | 9 | 59mm |
| L | 10 | 62mm |
| Not in stock | 11 | 65mm |
| Not in stock | 12 | 68mm |
| Not in stock | 13 | 70mm |
Most people fall somewhere between result/US size 5-13 aka 50mm - 70mm circumference/EU size.