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A blend of durability, warmth, and thoughtful design, the Duality Gore-Tex is well-suited for those who won’t let winter weather slow them down.
Montane says:
Don’t let the cold and wet hold you back.
The Duality Jacket delivers all-in-one waterproof, insulated protection for hiking and trekking through the worst of the weather. We combined the new PFAS-free GORE-TEX ePE 2-Layer nylon fabric with 100% recycled lightweight synthetic insulation, which is body-mapped to keep your core warm without restricting your movements. The Duality has breathability is built in (RET <13) and additional protection is provided by the adaptable collared hood and extended jacket length, giving you one more reason to embrace winter and head outdoors.
Our Verdict
The Montane Duality Gore-Tex Insulated Jacket is a top-tier choice for winter protection. It blends the weatherproofing of a hard shell with the warmth of synthetic insulation. The Gore-Tex ePE outer layer, rated at an impressive 28,000mm hydrostatic head, pairs with Primaloft Silver insulation to keep you dry and warm without added bulk. I value Montane’s environmentally conscious approach, using 100% recycled polyester insulation and a PFC-free DWR coating on the shell.
Designed for harsh conditions, the jacket’s features provide thorough weather protection—a high-collared adjustable hood and extended-length shield against wind and rain. At the same time, articulated sleeves and hook-and-loop adjustments ensure excellent freedom of movement. With YKK Aquaguard-covered pockets and a full-length front zip, I can trust my essentials stay dry even in downpours. The body-mapped insulation is another highlight, providing warmth where it’s needed most without restricting movement.
At around 564 grams for the medium size, it offers winter-ready protection that remains comfortable for all-day wear. While it has a slightly “crinkly” sound, this minor detail doesn’t detract from the jacket’s overall performance. Ideal for unpredictable weather on hill walks, cold commutes, or dog walks when the sky looks foreboding, the Duality Gore-Tex balances durability, warmth, and versatility for those undeterred by winter’s worst.
- Reviewed by Basecamp Gear
Features
- Articulated Sleeves - For unrestricted movement with hook and loop adjustment
- Adjustable Collared Hood - Offers additional protection in changeable conditions
- Fully Adjustable Hem - Optimies the fit to seal against the weather
- Interna Chest Pocket - YYK-zipped to secure your valuables
- Full Length Zip - Weather proofed YKK Aquaguard zip for a versatile fit and venting
- Covered Hand Pockets - Sealed against the weather with YKK Aquaguard Zips
Specifications
- XSmall (UK 08) weighs: 524g
- Small (UK 10) weighs: 545g
- Medium (UK 12) weighs: 564g
- Large (UK 14) weighs: 578g
- XLarge (UK 16) weighs: 585g
- Hydrostatic Head: 28,000 mm
- Breathabiltiy: RET <13
Material & Construction
- Body-Mapped Insulation - Keeps your core warm and delivers unrestricted movement
- PFAS-free GORE-TEX ePE - Waterproof (28k Hydrostatic Head), breathable (RET <13), 100% recycled
- PFC-Free DWR - Coating on face fabric applied to bead and shed moisture
- PEAQ Liner Fabric - 100% recycled 20D liner with PFC-free DWR
- PrimaLoft Silver Insulation - Efficient warmth - 100g/m2 in body and 80g/m2 in sleeves
