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Montane Mens Prism Jacket
The versatile Montane Men’s Prism Jacket is an ultra-light hooded jacket that is essential for the mountaineer or scrambler in need of a quality jacket that is water-repellent, wind-resistant and low-bulk.
The Prism Jacket uses 40 g/sq m Primaloft synthetic insulation to make it warm and lightweight and it has an impressive 98% breathablility so it is ideal to be worn on the move and for working hard in colder conditions.
The Montane Prism Jacket is super-versatile and highly functional, which explains why it is worn by outdoor professionals and mountain rescue teams up and down the country.
For extra warmth, this jacket has two double-insulated handwarmer pockets and self-fabric elasticated cuffs whilst, for that extra bit of safety and peace of mind, it also has reflective flashes.
As with all Montane clothing, Pertex fabric contains Durable Water Repellency (DWR) as the first barrier to keeping you dry. Clean your garment in order to maintain this. It may be required every 6 months or so to reproof garment to restore its water repellency.
Features
- Fit: Active Mountain - general mountain fit, but garment adjustments enable close body fit
- Fabric: Pertex Microlight Rip-stop
- Filling: Primaloft Eco 40 g
- Lining: PEAQ Synthetic
- Zips: YKK Reverse coil semi-auto
- Weight: 423 g/14.9 oz (Size M)
- Activities: fast alpine/rock climbing/mountain walking/high trekking/backpacking/mountain marathon/biking/travel
- Pertex Microlight outer fabric that is completely windproof, fast drying and features an exceptional durable water repellency
- 40 g Primaloft Eco insulation throughout the body is warm, packable and exceptionally fast drying
- 40 g Primaloft Eco in front of and behind the pockets giving this area 80 g of insulation in total
- Articulated arms for reach high movement and tailored specifically to reduce hem lift
- Fully adjustable helmet compatible mountain hood with three point adjustment and wired peak
- Internal tab to lock down and roll away the hood in windy conditions
- Soft fleece beardguard around face and mouth for extra comfort
- Two insulated hand-warmer pockets positioned well clear of backpack or climbing harness belt
- Full length, reversed and baffled YKK front zip
- Low bulk and profile elasticated cuffs which can be pulled up forearms to aid cooling
- Adjustable hem to prevent spindrift entry and heat loss
- Scotchlite reflective details for mountain safety
- Stuffs into right hand pocket for easy storage and use as a small sleeping pillow
Garment care
- The Prism Jacket uses Pertex fabric which contains a Durable Water Repellency (DWR) as the first barrier in keeping you dry. Clean your garment in order to maintain this
- Machine wash in warm water at 30°C/86°F with a mild detergent. Montane recommends that you use Nikwax Tech Wash
- Do not use fabric softeners or bleach
- Drip dry
- Your jacket may need occasional re-proofing to restore the DWR. Montane recommends Nikwax TX Direct
- Please see www.nikwax.com for more information
This jacket has exceeded expections so far. It has very good windproofness. While not moving around a lot I was very comfortable with a light merino t-shirt underneath in 30km/hr (about 18miles/hr) gusts with a windchill factor of about -1deg C (30deg F). My legs were cold but my torso and head remained warm, though I could feel air entering slightly. This is pretty good going for a jacket of this weight though. The hood closes down to reveal only a smallish portion of the face and helps to lock out the wind when facing into it. Teamed with a hardshell over the top it was very warm.
I also got caught in the rain recently and it poured for about 15mins. My pants were saturated but my Prism kept out the water beautifully. The water beaded off nicely and there was no leaking at the seams or zippers. So as long as you maintain the DWR coating it will be fine for shorter periods of rain and snow. Walking all day in rain may be a very different story as it wets out.
It is very compressible. I jam into a small stuff sack when in my pack to the size of about 2 fists (mens). It also seem pretty well made and my inspection of seams, zips and cords revealed no problems with workmanship...so far!
The ambient temps where I live get down to about -8deg C (17deg F) during the night and don't get much above 4-6 deg C iduring the day in winter. We have strong winds up here on the plateau (5000 ft elevation) and wind speed averages around 20-40 km/hr so windchill is often below freezing but feel this jacket will be all I'd need with a couple of light layers underneath and/or a hardshell like a Gortex rainshell over the top.
It is, as already stated, a little smallish in the arms for the 'L' size I normally wear (I would say they are just long enough but I would like another inch). However, I felt the body fit was pretty much perfect as it allows it to act as a mid layer with a shell over the top. I am 5'11" tall and 80kg with fairly long arms. If you are taller and leaner, you may want to size up to get the sleeves long enough. However, the length of the torso of the jacket extends to the crease of the buttocks for added warmth but is not so long at the front.
In summary, this is a great little jacket that probably won't be as warm as an expensive and bulky down jacket but, with the insulated hood in mind, won't be too far behind.
I've given it 5 stars because it fits my intention perfectly.
Really nice jacket though!
Advantages
The Prism Jacket is lightweight, hard-wearing and well-priced. It is compressible like down, without the expensive cost using down entails and is treated with durable water repellency (DWR) to make it extra water-resistant. It comes in a number of different colours - including Moroccan blue and steel - which is good for the adventurer who wants to look as stylish on the mountain as you do on the high street.Disadvantages
Whilst the Prism Jacket is intended to be warm, it is not as warm as jackets that contain down despite being of a similar weight. It is however worth noting that down jackets are generally more expensive than the Prism.
It is water resistant, but not entirely waterproof - meaning wearers should stick to using the Prism in dryer weather.