Montane Womens Duality Gore-Tex Insulated Jacket

GORE-TEX / 28,000mm HH, RET: <9 / Primaloft Gold Insulation 60g/m2
Weighs 594g (UK size 12)
Code: AW21325
  • £244.99
  • (FREE Delivery on orders over £15)
  • RRP £259.99
+ In Stock Now | Usually dispatched within 24 hours

The Duality is an insulated waterproof shell that looks great and performs brilliantly. Top class materials from Primaloft and Gore-Tex provide an excellent base for tackling poor conditions.

Montane says:

The Duality combines fully seam taped and waterproof GORE-TEX with Gore Performance technology and PrimaLoft® insulation in the ultimate solution for warmth and weather protection in one package.

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Gore-Tex logo at Ultralight Outdoor Gear | Garments made with Gore-Tex fabric are durably waterproof, windproof and highly breathable, providing reliable weather protection and maximum comfort for a wide range of activities. Click here for more information on the range of GoreTex fabrics.

Montane's Womens Duality Gore-Tex Insulated Jacket uses a decent amount of top quality Primaloft Gold insulation which gives a decent level of warmth without overloading the jacket. It strikes a successful balance between weight, pack size and warmth, making it versatile for cooler and wetter conditions year-round, rather than being limited to just winter use. The 40D Gore-Tex outer provides an excellent level of protection and durability. It has coped with snow and heavy rain numerous times with ease. The use of insulation and a waterproof outer limit breathability but this jacket is designed for colder conditions rather than milder ones or for high intensity activities so this hasn't been an issue so far.

In terms of features, the Duality has a really nice hood that is fully adjustable with a decent peak. The jacket has Velcro adjustable cuffs, an adjustable cinchable hem along with three good sized pockets. With the combination of warmth and waterproof protection this is a great all round jacket that is ideally suited to mountain walking and general, everyday use in cold and wet conditions.

- Reviewed by Ultralight Outdoor Gear

Help and advice: Advice on choosing a waterproof shell at Ultralight Outdoor Gear
  Hydrostatic Head explained at Ultralight Outdoor Gear
  MVTR & Breathability explained at Ultralight Outdoor Gear
  Synthetic Insulation explained at Ultralight Outdoor Gear
  • Fully seam taped construction 
  • Fully adjustable roll away insulated hood with stiffened peak 
  • Full-length YKK AQUAGUARD® VISLON® front zip with internal storm flap 
  • Two hand pockets with YKK AQUAGUARD® zips 
  • External chest pocket with YKK AQUAGUARD® zip 
  • Adjustable hook and loop cuff tabs
  • Adjustable hem with cinchable drawcord
  • Activities: Mountain Walking / Mountaineering


  • UK 08 weighs: 560g
  • UK 10 weighs: 574g
  • UK 12 weighs: 594g
  • UK 14 weighs: 622g

Material & Construction

  • Waterproof GORE-TEX 40 Denier nylon with Gore Performance Technology outer fabric
  • 60g/m2 PrimaLoft® Gold 55% recycled insulation throughout 
  • 100% recycled PEAQ Synthetic ECO lining
  • Back length: 70cm (size UK10)
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