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Montane Alpha Guide Jacket

Polartec Alpha - Breathable Insulation
Weighs 510g (Medium size)
Code: AW13360
  • Now £124.99
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  • RRP £139.99
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The Montane Alpha Guide Jacket is a very technical piece of insulation that utilises Polartec Alpha to create a jacket that will add warmth to your set-up but also allows you to work hard while wearing it and you won't overheat or become uncomfortable.

Montane says:

Designed and developed for climbing, the Alpha Guide Jacket gives effective insulation to the core body whilst leaving the arms free from any estriction. It combines the unique properties of PERTEX Microlight Stretch, POLARTEC Alpha and Mt. Thermo X Stretch to create a truly formidable jacket.

The Alpha Guide Jacket provides torso protection in a new and unique way, using the revolutionary POLARTEC Alpha - the latest evolutionary step in synthetic insulation. With its open, woven construction, POLARTEC Alpha combines warmth with hyper breathability, whilst at the same time being extremely compressible. This new format of insulation is encased in PERTEX Microlight Stretch, which provides high wind resistance combined with the stretch needed for climbing movement. The jacket also features a stretch hood that fits underneath a climbing helmet and stretch arms with thumb loops. The Alpha Guide is not so much a piece of clothing, rather a piece of climbing equipment.

|Polartec Alpha, Overheating is Underperforming - So unlike traditional synthetic fill or down, Polartec Alpha allows a free exchange of air to keep you warm, comfortable and focused. Developed for U.S. Special Operations and now available for outdoor enthusiasts, it takes performance fabric—and you—to a totally new place. Click the Logo to read more...
Montane Logo at Ultralight Outdoor Gear|Click here for more info on Montane, product updates and New Season information.

Its quite a breakthrough, especially for cold weather walking when you need insulation but start sweating hard when you reach a strenuous bit. Weight for weight Polartec Alpha is only about half as warm as Primaloft so the king of insulation keeps its crown - but Alpha has its place - I recently wore an Alpha garment all day while walking in Corsica in particularly cold conditions and stayed warm & comfortable for the duration - I kept checking my baselayer, which stayed completely dry.

Montane have teamed up the Polartec Alpha insulation with zoned areas of stretch fleece - this has created a really interesting jacket that seems to get the best of all worlds insulation wise and is a really useful winter walking layer.

Inside the Polartec Alpha parts are zoned with mesh for maximum breathability.

- Reviewed by Ultralight Outdoor Gear


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  • Outer fabric PERTEX Microlight Stretch is windproof, showerproof, fast drying and features an exceptional durable water repellancy 
  • POLARTEC Alpha insulation is a remarkable, hyper breathable and highly packable insulating fill
  • Arms, hood and shoulders feature Mt. Thermo X Stretch with a brushed fleece inner, anti-pilling outer face and high stretch for dynamic body movement
  • Flatlocked sewn seams through Mt. Thermo X Stretch areas for extra comfort and durability
  • PEAQ Synthetic liner that is supremely comfortable next to the skin, highly breathable and fast drying
  • Active fit with next to skin tailoring in arms
  • Articulated arms for high reach movement and tailored specifically to reduce hem lift
  • Mt. Thermo X Stretch fleece hood that provides a snug fit and can be worn underneath a helmet
  • Two insulated hand-warmer pockets positioned well clear of backpack or climbing harness belt
  • All external pockets feature shaped zip garages to prevent further weather entry
  • Full length YKK reverse coil front zip that is two way to allow easy access to climbing or rucksack harness and / or trousers
  • Internal wind-strip behind centre front zip
  • Roll over beardguard prevents YKK zip from contacting the chin or mouth
  • Low profile cuffs with thumb loops can be pulled up forearms to aid cooling
  • Rear external MONTANE hang loop
  • Fully adjustable lower hem to prevent heat loss and weather entry
  • Fabric: PERTEX Microlight Stretch
  • Insulation: POLARTEC Alpha
  • Arm, shoulders and hood fabric: Mt. Thermo X Stretch
  • Lining: PEAQ Synthetic
  • Zips: YKK Reverse coil 
  • Fit: Active Mountain
  • Activities: Mountaineering / Fast Alpine / Ice Climbing / Rock Climbing / Backcountry Skiing / Mountain Walking / High Trekking
  • Small weighs 488g
  • Medium weighs 510g
  • Large weighs 536g
  • XLarge weighs 564g
  • XXLarge weighs 590g
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