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The Rab Downpour Eco Pant is aimed squarely at backpackers and weekend hikers seeking an accessible, environmentally conscious shell. Rab built these pants using recycled polyester face fabric and membrane, eliminating fluorocarbons from the water-repellent finish. They serve hikers who need dependable protection against passing storms without committing alpine-level money to a secondary gear piece. Across independent field tests, the Downpour Eco earns solid marks for practicality. The fabric feels soft against bare skin compared to crunchy plastic-style pants, and the knee-length side zippers give decent venting and accommodate most trail hiking boots. It offers reliable waterproof performance for moderate rain events and day-to-day mountain weather. Because it relies on a standard 2.5-layer recycled laminate, it does have breathability limits during high-output climbs. In warm, muggy downpours, condensation will inevitably build up on the interior. The material is tough enough for regular trail hiking, but it is not intended for rugged alpine scree or continuous sub-freezing mountaineering. At its price point, it stands out as an honest, eco-friendly value. **Highlights** - Fully recycled polyester fabric and membrane construction - Fluorocarbon-free DWR finish - Deep side zippers with protective storm flaps - Comfortable, non-crinkly fabric hand feel - Elasticized waistband with drawcord adjustment **Watch-outs** - Breathability lags behind premium three-layer membranes during hard efforts - Modest abrasion resistance not meant for rough scrambling
Pros
- Fully recycled fabric and membrane reduces environmental footprint
- Soft, quiet hand feel compared to crinkly budget rain shells
- Knee-length zips allow fast pull-on over standard hiking shoes
- Generous storm flaps shield side zips from wind-driven moisture
- Lightweight pack profile takes up minimal pack volume
Cons
- 2.5-layer build can feel clammy during high-output climbs
- Lacks reinforced kick patches for rugged off-trail use
- Side zips stop at the knee, limiting full-length venting
Best uses
- Three-Season Backpacking
- Day Hiking in Rainy Climates
- Emergency Trail Rainwear
- Wet Weather Commuting
Specifications
- Stated Weight
- 7.2 oz (approx. 205 g)
- Fabric Type
- 2.5-layer recycled polyester
- Membrane
- Recycled Proflex / Pertex Shield poly
- DWR Finish
- Fluorocarbon-free DWR
- Zippers
- Knee-length side zips with storm flaps
- Waist Style
- Elasticated waist with drawcord adjustment
- MSRP
- Around $110
Pricing
We don't publish a price we haven't verified. The retailer links below open the live listing for this exact model.
Full catalog listing & offersBest for
Three-Season Backpacking, Day Hiking in Rainy Climates, Emergency Trail Rainwear, Wet Weather Commuting
Where to buy the Downpour Eco Pant - Women's
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The Rab Downpour Eco Pant is engineered for hikers, backpackers, and general outdoor travelers who need dependable storm protection without spending premium alpine money. Designed as an emergency and variable-weather shell, it lives in a pack until wind and rain force a transition. Its positioning is built on everyday accessibility and conscientious manufacturing rather than expedition-grade pedigree. What sets the Downpour Eco apart from entry-level competitors is Rab's commitment to lower-impact materials. The pant uses a completely recycled polyester face fabric paired with a recycled waterproof membrane, treated with a fluorocarbon-free durable water repellent. Despite the utilitarian price point, Rab avoided the stiff, noisy texture common to budget rainwear, delivering a softer, more pliable hand feel. While it provides dependable barrier protection against persistent rainfall, users must account for the natural limits of a 2.5-layer construction. High-output ascents in warm, humid conditions will generate internal moisture that the membrane cannot vent quickly enough. For typical three-season backpacking, wet-weather commuting, and rainy trail days, however, it hits a rare balance of reasonable weight, packability, and reliable storm defense.
Who It Suits Best
The Downpour Eco Pant is aimed squarely at trail hikers, backpackers, and campers who need reliable rain insurance for sudden storm fronts and shoulder-season drizzle. It suits hikers who prefer not to spend upward of two hundred dollars on dedicated hardshell bottoms that spend most of their existence stowed inside a backpack. It is equally appropriate for commuters and weekend trail walkers wanting clean, simple weatherproofing. Because the design prioritizes packability and baseline storm sealing over dense mechanical protection, it fits users who stay on established paths rather than off-trail routes or high-consequence alpine terrain where crampon punctures, coarse granite, and heavy brush quickly shred lightweight laminates.
Materials and Eco Construction
Rab builds the Downpour Eco around a 2.5-layer waterproof laminate constructed entirely from post-consumer recycled polyester. This includes both the outer face fabric and the underlying waterproof membrane, making end-of-life recycling theoretically simpler because it avoids combining disparate polymers. The outer textile is treated with a fluorocarbon-free DWR finish to shed surface saturation without utilizing persistent perfluorinated chemicals. On the interior, a raised half-layer print protects the thin membrane from skin oils and abrasion without adding the mass of a suspended mesh or bonded tricot backer. While 2.5-layer garments can feel clammy against bare legs, the face fabric here avoids the rigid, plastic-bag crispness typical of entry-level nylon shells.
Storm Performance and Venting
Under moderate rain and typical mountain squalls, the Downpour Eco holds water at bay cleanly. The seams are fully taped, and the knee-length side zippers feature substantial external storm flaps that deflect wind-driven spray. The zippers allow hikers to pull the pants on over standard low-cut trail runners or mid-height hiking boots without shedding footwear, though wide mountaineering boots will require care. The knee-height side openings also permit some mechanical venting when climbing uphill, helping dump warm air. However, in heavy downpours, leaving the zips cracked invites splashback, forcing users to rely on the membrane's passive breathability, which struggles during sustained, high-heart-rate efforts in warm moisture.
Fit, Cut, and Comfort
The cut leans toward a classic regular fit designed to slip easily over base layers, hiking shorts, or light trekking trousers. Rab incorporates an elasticated waistband secured by a basic drawcord, keeping the waist flat and preventing pressure points beneath a heavy backpack hipbelt. The articulated knees afford natural movement during steep trail steps without pulling the cuffs up the shins. The lower leg circumference is controlled enough to avoid excessive flapping in high winds while still accommodating standard hiking footwear. At roughly 7.2 ounces, the pant rolls down to roughly the size of a water bottle, disappearing easily into the bottom or exterior pouch of a multi-day pack.
Durability and Honest Trade-Offs
To achieve a pack-friendly weight and budget-friendly price, Rab made predictable compromises in abrasion resistance. The recycled polyester face fabric is sturdy enough to shrug off incidental trailside brush and routine camp chores, but it lacks reinforcement patches on the instep, knees, or seat. Direct contact with rough granite scrambling or sharp crampon points will compromise the shell quickly. Furthermore, the 2.5-layer interior print lacks the longevity of a true three-layer laminate and requires routine rinsing to prevent body salts from degrading the membrane. Compared to the Marmot Precip Eco or Outdoor Research Helium, the Downpour Eco offers softer fabric, though it does not match three-layer Gore-Tex for long-term wear.
How we picked
We started with a long list of rain pants that people actually buy, cut anything that could not clear our baseline for durability and field performance, then ranked the 10 that were left against the same criteria. Rankings are editorial. No brand pays for placement, and affiliate links never move a pick up or down.
- Fabric behavior over time
- Breathability, DWR life, loft retention, and how the piece performs after repeated washing.
- Real-world durability
- How the material, stitching, or steel holds up after a season of hard use — not how it looks new.
- Performance in bad conditions
- Wind, rain, cold, and grit are the test. Anything that only works on a nice day gets marked down.
- Weight and packability
- Every ounce has to earn its place in the pack, but not at the cost of something that fails in the field.
- Ease of use
- Setup, adjustment, and maintenance with cold hands, in the dark, without the manual.
- Value at its price point
- Compared against the closest competitors in the same tier, not against cheaper gear in a different class.
Downpour Eco Pant - Women's — frequently asked questions
- Is the Downpour Eco Pant - Women's worth it?
- We rank it #5 in Rain Pants. The Rab Downpour Eco Pant is aimed squarely at backpackers and weekend hikers seeking an accessible, environmentally conscious shell. Rab built these pants using recycled polyester face fabric and membrane, eliminating fluorocarbons from the water-repellent finish.
- What is the Downpour Eco Pant - Women's best for?
- Best for three-season backpacking, day hiking in rainy climates, emergency trail rainwear and wet weather commuting. Standouts: fully recycled fabric and membrane reduces environmental footprint and soft, quiet hand feel compared to crinkly budget rain shells.
- What are the downsides of the Downpour Eco Pant - Women's?
- 2.5-layer build can feel clammy during high-output climbs, Lacks reinforced kick patches for rugged off-trail use and Side zips stop at the knee, limiting full-length venting.
- What are the key specs of the Downpour Eco Pant - Women's?
- Stated Weight: 7.2 oz (approx. 205 g) · Fabric Type: 2.5-layer recycled polyester · Membrane: Recycled Proflex / Pertex Shield poly · DWR Finish: Fluorocarbon-free DWR · Zippers: Knee-length side zips with storm flaps
- Who It Suits Best?
- The Downpour Eco Pant is aimed squarely at trail hikers, backpackers, and campers who need reliable rain insurance for sudden storm fronts and shoulder-season drizzle. It suits hikers who prefer not to spend upward of two hundred dollars on dedicated hardshell bottoms that spend most of their existence stowed inside…
- Materials and Eco Construction — what should I know about the Downpour Eco Pant - Women's?
- 5-layer waterproof laminate constructed entirely from post-consumer recycled polyester. This includes both the outer face fabric and the underlying waterproof membrane, making end-of-life recycling theoretically simpler because it avoids combining disparate polymers.
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