Review · Lightweight rain shell

Rab Downpour Eco Review

A light, inexpensive recycled-fabric rain shell aimed at hillwalkers who want protection in a pack rather than a technical alpine layer.

Last updated Published Sources last checked By WaterproofJacket.com editorial deskChecked by Editorial desk
Research-based analysisPertex Shield2.5L constructionunisex

Manufacturer specification

Published by the manufacturer — reproduced, not interpreted

Construction
2.5L
Waterproof membrane
Pertex Shield
Waterproof rating
Not publicly specified by manufacturer
Breathability rating
Not publicly specified by manufacturer
RET
Not publicly specified by manufacturer
MVTR
Not publicly specified by manufacturer
Air permeability
Not publicly specified by manufacturer
DWR finish
Fluorocarbon-free DWR
PFAS status
Manufacturer states a fluorocarbon-free finish; confirm per season
Seam construction
Fully taped
Main zipper
Centre-front zip
Pit zips
Yes
Other ventilation
Pit zips
Hood
Adjustable roll-away hood
Helmet compatible
No
Face fabric
Recycled polyester
Denier
Not publicly specified by manufacturer
Fabric composition
2.5-layer recycled polyester with Pertex Shield membrane
Weight
Not publicly specified by manufacturer
Packability
Packs into its own pocket
Pockets
Two zipped hand pockets
Cuff adjustment
Hook-and-loop
Hem adjustment
Drawcord
Fit
Regular
Layering space
Fits over a light fleece
Sizes
S, M, L, XL, XXL
MSRP
GBP 130
Warranty
Lifetime warranty against defects
Repair programme
UK repair service

WaterproofJacket.com assessment

Our analysis — separate from every figure above

Waterproofing

Taped seams and a roll-away hood are appropriate for sustained rain; no figures are published, so we do not quote any.

Breathability

A 2.5-layer package with pit zips: use the zips early on climbs.

Durability

The limiting factor is the printed inner surface rather than the outer fabric.

Comfort and mobility

Light and unobtrusive in a pack; less pleasant against bare skin than three-layer shells.

Features

Sensible basics: two pockets, pit zips, packs into itself.

Value

Strong. Pit zips and taped seams at this price are not universal.

Scores

Research score — we have not handled this jacket

7.2Weighted overall score out of 10, calculated from the categories below.
Water Protection7.6/10 · weight 25%
Breathability6.6/10 · weight 20%
Comfort & Mobility6.8/10 · weight 15%
Durability6.4/10 · weight 15%
Features6.8/10 · weight 10%
Weight & Packability8.4/10 · weight 10%
Value8.8/10 · weight 5%
How our scoring works

Frequently asked questions

Is a 2.5-layer jacket good enough for hiking?

For intermittent use carried in a pack, yes. For daily wear across years, a three-layer shell usually lasts longer because there is no printed inner surface to abrade.

Sources