Montane Hydrogen Extreme Insulated Jacket

Polarloft Alpha Direct Insulation 120g/sqm
Weighs 486g (Medium size)
Code: AW19332
  • Now £176.99
  • (FREE UK & EU Delivery)
+ In Stock Now | Usually dispatched within 24 hours

Blending the high warmth to weight ratio of POLARTEC Alpha Direct with a super breathable PERTEX QUANTUM AIR shell for the ultimate breathable insulation layer.

Montane says:

Lined with super packable high loft POLARTEC® Alpha Direct insulation throughout, the Hydrogen Extreme Jacket is designed for fast paced mountaineering and climbing in cooler conditions. The supreme breathability of the PERTEX® QUANTUM AIR outer shell offers all day comfort, whilst the DWR finish will still shed light rain.

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We're working out what we think about Montane's Hydrogen Extreme Insulated Jacket, we'll add our comments here in due course.

- Reviewed by Ultralight Outdoor Gear

Help and advice:Synthetic Insulation explained at Ultralight Outdoor Gear
  • Fully adjustable roll-away insulated climbing helmet compatible hood with stiffened peak
  • Articulated arms for high reach movement
  • Full-length two-wayYKK VISLON® front zip with internal storm flap
  • Two insulated hand pockets with YKK zips
  • Two external zipped Napoleon chest pockets with YKK zips
  • Hook and loop adjustable cuff tabs
  • Adjustable hem with cinchable drawcord
  • Small weighs: 474g
  • Medium weighs: 486g
  • Large weighs: 506g
  • XLarge weighs: 530g
  • Back length: 75cm (M)


  • PERTEX® QUANTUM AIR wind resistant outer with DWR
  • 120g/m2 POLARTEC® Alpha Direct high loft fleece lining
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