NAJO recommends a ring that moves over the knuckle with slight resistance and sits comfortably on the finger. Use a proper ring sizer or visit CFJ for a fitting.
| NAJO size | US | Letter size | Inside circumference |
|---|---|---|---|
| XS | 6 | L½ | 51.90mm |
| S | 7 | N½ | 54.40mm |
| M | 8 | P½ | 57.00mm |
| L | 9 | R½ | 59.50mm |
| XL | 10 | T½ | 62.10mm |
Confirm the available sizes on the individual product. This chart is a starting point; ring width and design affect fit. Ask CFJ before arranging resizing.
Ask CFJ for sizing help or view our general ring size guide.
Source: NAJO’s ring size guide.