Rab
Rab Firewall Alpine Jacket
Rab Firewall Alpine Jacket
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Unsure about your size? Read our Rab size guide (Opens in a new window.)
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- 🚚 Fast delivery: 24–48h or special order (~10 days)
- 🏔️ Expert mountain advice
- 🔄 Easy size exchanges
- 🛡️ Secure purchase with real expert support
- 📍 Physical store in Madrid (El Rastro)
Technical specifications
Intended use
Mountaineering, Travel and Getaways, Climbing, Hiking
Recommended for
Alpine Activities in Moderately Cold Environments|Ice Climbing|Sheltering from a Storm
Membrane
Pertex Shield 3L
Waterproof rating
HH: 20,000 mm
Outer fabric
40D Pertex Shield
Main technology
Pertex Shield
🏔️ Description
Rab Firewall Alpine Jacket. A 20D 3-layer Pertex® Shield waterproof jacket for mountain activities, featuring a streamlined construction and a helmet-compatible hood.
⭐ The Mountain Group opinion
Its alpine design prioritizes protection and mobility. The vents allow for heat regulation; check the hood with your helmet and the fit over the layers you intend to wear.
📋 Technical specifications
- 20D 3-layer Pertex® Shield.
- Hydrostatic head: 20,000 mm; declared breathability: 20,000 g/m²/24 h.
- Weight: 316 g (size M).
- Helmet-compatible hood, chest pocket, and underarm ventilation zips.
🛠️ Details that make the difference
- Hood and closures to adapt protection to conditions.
- Construction designed to move with your mountain layers.
🎯 Use and fit
Test the size with the thermal layers and gear you will be carrying. Freedom of movement is especially important when raising your arms or using trekking poles.
❓ Before choosing
The membrane provides protection against water and wind, not thermal insulation. Adjust your base layers according to the cold and activity intensity.
