Montane Prism Jacket - Men's Clearance

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Prism is an essential piece of mountain clothing whatever the activity! Warm even when wet.



This jacket is the one bit of kit that I use all year round. Perfect for New Zealand conditions as it uses synthetic insulation. If it does get damp, its keeps working unlike some down garments. See below for what Montane say about the jacket. 

The most versatile piece of insulation in the MONTANE® range, the Prism is an essential piece of mountain clothing whatever the activity. Using 40g PRIMALOFT® SILVER ECO insulation throughout ensures that the Prism is warm yet lightweight enough to be worn on the move in cool conditions. Used and abused by Mountain Rescue teams across the UK, the Prism can be worn as a mid-layer within any shell system or alone as an outer jacket in drier weather.

Fabric: PERTEX® Microlight Rip-stop
Lining: PEAQ Synthetic
Zips: YKK reverse coil semi-auto

Black / Kiwi lining / Black zips

Olive/Steel lining (with self-coloured logo and no reflective details)

Moroccan Blue/Burnt orange

Steel/Burnt orange Alpine Red

Weight (approx.): 418g (M)
Sizes: S, M, L, XL, XXL
Fit: Active Mountain
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
40g PRIMALOFT® SILVER ECO insulation throughout the body is warm, packable and exceptionally fast drying
40g PRIMALOFT® SILVER ECO in front of and behind the pockets giving this area 80g of insulation in total
Articulated arms for reach high movement and tailored specifically to reduce hem lift
Fully adjustable helmet compatible hood with three point adjustment and wired peak
Internal elastic loop and hook on rear hood compression drawcord allows hood to be rolled down and stowed away whilst not in use in windy conditions
Soft fleece beardguard next to chin 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
Reflective details for mountain safety
Stuffs into right hand pocket for easy storage and use as a small sleeping pillow



133g/m², 100g/m², 60g/m², 40g/m² performance synthetic mid-loft insulation
Warm when wet and fast drying
Wind resistant and water repellent
Compresses like down
Fibres produced from post-consumer and post-industrial plastic waste
Minimum of 50% recycled content

PERTEX® Microlight Rip-stop

53g/m² 100% Polyamide rip-stop weave
Air permeability 1.0cc max (JIS L 1096 / ASTM D737)
Spray rating 80 / 20 (JIS L 1092)
Abrasion resistance 40,000+ at 12.5k PA (BS EN ISO 12947-2)

PEAQ Synthetic

56g/m² ultra soft nylon plain weave
Exceptional comfort next to skin
Highly breathable and fast drying


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 for more information.