Find the right fit
Pjama products available in the following sizes
Choosing the correct size helps your Pjama products work as intended and stay comfortable all night.
Below you'll find the available size ranges for each product category, with waist, hip and length measurements in centimetres.
For exact sizing and availability, refer to each product's table.
Pjama size guide – Bedwetting Sleepwear
Pants & Shorts
When selecting your Pjama Bedwetting Pants or Shorts, make sure they fit snugly around the waist – firm but comfortable. The fit is important to ensure effective moisture protection.
Pjama Bedwetting Pants are available in sizes from Age 3–4 up to XL (adult sizes here).
Pjama Bedwetting Shorts are available in the same sizes, as well as three Wide versions (adult sizes here).
- Models: Pants and Shorts
- Colour: Blue
- Sizes: Children and Adults
Pjama size guide – Treatment Sleepwear
Pants & Shorts
| Size | Waist (A) | Hip (B) | Inside leg shorts (C) |
Inside leg pants (C) |
Max absorption |
|---|---|---|---|---|---|
| cm | cm | cm | cm | ml | |
| Age 3–4 | 51–67 | 73 | 14.5 | 39.0 | 300 |
| Age 5–6 | 52–71 | 78 | 18.5 | 47.0 | 350 |
| Age 6–8 | 54–75 | 84 | 19.0 | 55.0 | 400 |
| Age 8–10 | 57–85 | 87 | 23.5 | 63.0 | 550 |
| Age 10–12 | 60–89 | 91 | 25.0 | 67.5 | 600 |
| Small | 64–91 | 104 | 29.0 | 71.5 | 650 |
The Pjama Treatment Pants and Shorts are designed to be used with the Pjama Bedwetting Alarm.
They feature built-in conductive threads for sensor connection and are made to fit comfortably while maintaining sensor contact. Make sure they fit snugly around the waist – firm but comfortable. The fit is important to ensure effective moisture protection. They are offered up to size Small.
- Models: Pants and Shorts
- Colour: Grey
- Sizes: Children
Pjama size guide – Treatment Underwear
Boxers & Briefs
| Size | Waist (A) | Hip – Boxer (B) | Hip – Briefs (B) |
|---|---|---|---|
| cm | cm | cm | |
| Age 5–6 | 44–50 | 61 | 48 |
| Age 6–8 | 48–56 | 63 | 54 |
| Age 8–10 | 52–58 | 64 | 56 |
| Age 10–12 | 54–60 | 66 | 58 |
| Small | 56–62 | 72 | 60 |
| Medium | 62–68 | 74 | 64 |
| Large | 64–70 | 76 | 68 |
| X-Large | 68–74 | 78 | – |
| XX-Large | 72–78 | 80 | – |

Please note:
Pjama Treatment Underwear (Boxers & Briefs) is not absorbent.
The Treatment Underwear comes in both Boxers and Briefs and includes sensor threads for use with the Pjama Bedwetting Alarm. If you are between two sizes, choose the larger size for best comfort.
- Models: Boxers and Briefs
- Colour: Dark Blue (Boxers) and Purple (Briefs)
- Sizes: Children and Adults
Pjama size guide – Absorbent Underwear
Boxers & Briefs
Our Absorbent Boxers and Absorbent Briefs are sized as follows.

