Quick Summary
The Rab Men's Downpour Mountain Jacket in Tempest Blue is a rain jacket for trekking, travelling, and other days when rain is in the way. It uses Pertex Shield 2.5-Layer fabric and is described with waterproof and breathable ratings of 20,000mm and 20,000g/m².
The jacket is stated to have a regular fit, with ventilating zips under each sleeve, a two-way single-handed adjustable hood with a stiff peak, and zipped hand pockets with storm guards.
Who It Is Best For
This jacket suits buyers looking for a layerable rain jacket for trekking or casual use, especially where a regular fit and packable design matter. The listed L size should be checked against your own fit preference before ordering.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Rab. |
| Product type | Men's rain jacket for trekking, travelling, and casual use. |
| Colour | Tempest Blue. |
| Size | L, so the selected size should be checked before ordering. |
| Fit | Regular fit for easy layering. |
| Membrane | Pertex Shield 2.5-Layer. |
| Waterproof rating | 20,000mm. |
| Breathability rating | 20,000g/m². |
| Material | 50D 100% Recycled Polyester, Fluorocarbon-Free DWR, PU. |
| Centre back length | 78cm for Medium. |
| Weight | 352g. |
| Features | Ventilating zips under each sleeve, a two-way adjustable hood with a stiff peak, and zipped hand pockets with storm guards. |
Why Buyers Choose It
- Pertex Shield 2.5-Layer fabric is paired with stated waterproof and breathable ratings, which gives a clear specification to compare against your needs.
- Ventilating zips under each sleeve provide an additional listed airflow feature.
- The regular fit is stated to make layering easier.
- The hood, hand pockets, and storm guards are all named features for wet-weather use.
What To Know Before You Buy
Check the L size carefully before ordering, as the fit and layering feel will depend on your own measurements and preferences. The jacket is listed for trekking, travelling, and casual use, so it is worth comparing those intended uses with your plans. The listed centre back length of 78cm applies to Medium, not L, so use that figure only as a reference point for the size stated.
Common Buyer Questions
What activities is this jacket listed for?
Trekking and casual use are listed, and the opening description also mentions travelling.
Does it have a hood?
Yes. It has a two-way, single-handed adjustable hood with a stiff peak.
What weather-related features are named?
Ventilating zips under each sleeve, a waterproof and breathable fabric specification, and zipped hand pockets with storm guards are all listed.
Is it a heavy jacket?
The stated weight is 352g.
Final Buying View
This Rab rain jacket gives you a clear set of wet-weather details to compare with your intended use, including its regular fit, Pertex Shield 2.5-Layer fabric, and listed waterproof and breathable ratings. Check the L size and the stated features against your own needs before choosing.












