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The Rab® Downpour Mountain Jacket delivers the lightweight, packable protection of the Downpour range with features built for serious mountain terrain. Hardwearing 2.5-layer Pertex® Shield fabric holds up to scrambles and steep ground, while pack-compatible pockets and a generous adjustable hood add mountain-specific functionality. Light enough to stash, tough enough to trust when conditions turn, versatile enough to become your default shell.
40D Pertex® Shield
20,000mm Waterproof / 20,000g Breathable Membrane
Fully Articulated Sleeves with Improved Fit
Regular Fit
Two A-Line Pockets Accessible with Harness or Pack
Underarm Vents
YKK® AquaGuard® Center Front Zip with Chin Guard
Peaked and Adjustable Hood
Dual Sided Rear Hem Adjustment with Single Handed Adjustment
Extended, Adjustable Cuffs for Seamless Fit with Gloves
| Breathability Rating (g) | Breathability Level | Activity Level |
| 0 - 10000 | Low to moderate breathability | Resort skiing & snowboarding / walking / low intensity activity |
| 11000 - 15000 | Moderate breathability | Resort skiing & snowboarding / hiking / moderate intensity activity |
| 16000 - 20000 | High breathability | Backcountry skiing & snowboarding / backpacking / moderate to high intensity activity |
| 21000+ | Very high breathability | Backcountry skiing & snowboarding / biking / high intensity activity |
| Warmth | Description | Ideal Conditions |
| Shell | Outer shell with no insulation. Pair with base layers and mid layers to fine tune the level of warmth required. | Variable |
| Warm | Light insulation. Use additional base or mid layers to add warmth when temperatures drop. | 20° - 35° |
| Warmer | Moderate insulation. Suitable for cold conditions. | 10° - 25° |
| Warmest | Heavy insulation. Designed to keep you comfortable and protected on the coldest days. | Below 15° |