Measure the circumference of your natural waist at the navel. If your measurement falls between two sizes, choose the larger one.
| Size | Circumference of the waist for JP/Asia model | Circumference of the waist for US/EU model |
|---|---|---|
| SS | 55 - 65 cm | 65 - 75 cm (25.5 - 29.5 inches) |
| S | 65 - 75 cm | 75 - 85 cm (29.5 - 33.5 inches) |
| M | 75 - 85 cm | 85 - 95 cm (33.5 - 37.5 inches) |
| L | 85 - 95 cm | 95 - 105 cm (37.5 - 41.25 inches) |
| LL | 95 - 105 cm | 105 - 115 cm (41.25 - 45.25 inches) |
| 3L | 105 - 115 cm | 115 - 125 cm (45.25 - 49.25 inches) |
