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Montane Prism Synthetic Insulated Jacket

Weighs 416g (Medium size)
Code: 2515
  • Now £99.99
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  • RRP £109.99
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Montane's Prism Jacket is a lightweight insulation piece that uses Primaloft to provide superb warmth-to-weight performance.

Montane says:


Reworked hood designed to work either over a cragging helmet or under a full mountaineering helmet.  

The most versatile piece of insulation in the MONTANE range. The Prism is an essential piece of mountain clothing whatever the activity. Uses 40g PRIMALOFT synthetic insulation a fill that is warm and lightweight enough that enables it to be worn on the move while working hard in cool conditions.

The Prism is perfect either climbing in England’s Lake District scrambling high in the Rockies or as packable insulation trekking in Nepal.

Featuring an outer shell of PERTEX Microlight a fabric that is completely windproof and remarkably fast drying. Worn by outdoor professionals and Mountain Rescue teams across the UK the Prism is a truly functional outdoor mountain jacket.

Primaloft logo at Ultralight Outdoor Gear|PrimaLoft® Silver Insulation Eco; Uses recycled content to create the highest performing eco-friendly insulation available.Click Logo to read more...
|Pertex Microlight Lightweight outer Fabric - A good balance between weather & abrasion resistance against the weight of the fabric. Click Logo to read more...
Montane Logo at Ultralight Outdoor Gear|Click here for more info on Montane, product updates and New Season information.

Its remarkably warm for its weight and packability - first choice when active at either ends of the summer - its only during winter that something more (like the Montane Flux) is needed.  

Synthetic insulation is ideal when you are on the move it is unaffected by sweat and moisture dries quickly and needs little maintenance. The Prism is an excellent example of this type of garment.

- Reviewed by Ultralight Outdoor Gear

Read reviews      here:                                  
  • The Prism has received a reworked hood designed to work either over a cragging helmet or under a full mountaineering helmet
  • Chest pocket area features 40g PRIMALOFT SILVER Eco in front of and behind the pockets giving this area 80g of insulation in total
  • Roll-away hood with volume adjuster single-hand operated non-whip face aperture draw-cords and wired peak
  • Full length reversed and baffled open one-way front zip with semi-auto locking puller
  • Two double insulated chest pockets positioned clear of waist belt or harness
  • Single-hand operated adjustable elasticated draw-cord hem DWR Beardguard chin guard and stuffs into hand-warmer pocket
  • Reflective trim and self fabric elasticated cuffs
  • As with all MONTANE clothing PERTEX fabric contains a Durable Water Repellency (DWR) as the first barrier to keeping you dry. Clean your garment in order to maintain this.
  • Machine wash in warm water at 40C/104F with a mild soap.
  • MONTANE recommends that you use Nikwax Tech Wash. DO NOT use fabric softeners or bleach. It may be required every 6 months or so to reproof the garment to restore its water repellency. MONTANE recommends Nikwax TX Direct.
  • Small size weighs 396g
  • Medium size weighs 416g
  • Large size weighs 438g
  • XLarge size weighs 452g
  • XXLarge size weighs 466g
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