Quick Summary
The Rab Nitron 25 L Lightweight Hydration Pack is a medium-sized daypack in Orion Blue. It is presented as a hydration pack for hiking, trekking and trail running, with a 25 L volume and a lightweight build.
The pack is described with a body-hugging harness, double chest straps and an EVA back panel. It also includes an internal sleeve for a 3 L hydration reservoir, a shoulder strap pass-through sleeve, and attachment points for folding trekking poles and z-poles.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Rab. |
| Product type | Lightweight hydration pack / daypack. |
| Colour | Orion Blue. |
| Size | Medium. |
| Volume | 25 L (1100 cu in), so capacity is a key check if you want space for kit and water. |
| Weight | 566 g. |
| Back length | 48 cm. |
| Hydration sleeve | Internal sleeve sized for 3 L hydration reservoirs. |
| Carry features | Shoulder strap pass-through sleeve, standard attachment for folding trekking poles, and secondary attachment for z-poles. |
What to Compare Before Buying
- Capacity: The stated 25 L volume suits buyers who want a daypack-sized pack. Compare it with the amount of clothing, food and equipment you usually carry.
- Fit: The pack is medium with a 48 cm back length. Check that this matches the fit you need.
- Hydration setup: It has an internal sleeve sized for 3 L hydration reservoirs, so confirm your reservoir size before choosing an offer.
- Carrying preferences: If you use trekking poles, the pack includes attachments for folding trekking poles and z-poles.
Using It in Practice
The pack is aimed at moving quickly on the trail, with a harness inspired by running vests and a shoulder strap sleeve for easier access to hydration. That setup will appeal most to buyers who want a compact carrying system rather than a large rucksack.
Before You Decide
Confirm the 25 L capacity, medium size and 48 cm back length against your needs before choosing an offer. If hydration matters, check that your reservoir is 3 L or the size you intend to use. If you carry poles, review the attachment style and make sure it matches the kit you use.





