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The Dia-Band Pocket is sized by the circumference of your upper arm, where the band and your YpsoPump will sit.
| Size | Arm circumference (cm) | Arm circumference (in) |
|---|---|---|
| XS | 22-26 | 8.6-10.2 |
| S | 25-28 | 9.8-11 |
| M | 27-30 | 10.6-11.8 |
| L | 29-32 | 11.4-12.5 |
| XL | 31-34 | 12.2-13.3 |
| 2XL | 33-36 | 13-14.1 |
| 3XL | 35-38 | 13.8-14.9 |
| 4XL | 37-40 | 14.5-15.7 |
| 5XL | 39-42 | 15.3-16.5 |
The band should feel snug without being tight: it holds the pump in place on your arm and stays comfortable, without restricting circulation. If your measurement falls in two sizes, write to us and we will help you choose.
