Montane Prism Vest


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  • Montane Prism Vest Black Front
  • Montane Prism Vest Black

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Versatile and lightweight core body protection.      



A great bit of kit for core insulation. Worn under layers or alone, the Prism Vest is an indispensable, highly versatile item of kit.

Fabric: PERTEX® Microlight Rip-stop


Lining: PEAQ Synthetic Zips: YKK reverse coil

Colours: Moroccan blue / Blue spark lining / Blue spark zips - NEW Black / Graphite lining / Graphite zips

Weight (approx.): 245g  (M) Sizes: S, M, L, XL, XXL

Fit: Active Mountain

Activities: Fast Alpine / Rock Climbing / Ski Touring /Mountain Walking / Tramping / 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 PEAQ Synthetic lining that is supremely comfortable next to the skin, highly breathable and fast drying Soft fleece beardguard around neck and 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 Adjustable hem to prevent spindrift entry and heat loss Subtle reflective details for mountain safety Stuffs into right hand pocket for easy storage and use as a small sleeping pillow


160g/m², 133g/m², 100g/m², 60g/m², 40g/m² performance synthetic mid-loft insulation
100% polyester with minimum 50% recycled content
Warm when wet and fast drying
Wind resistant and water repellent
Compresses like down
Fibres produced from post-consumer and post-industrial plastic waste
Bluesign® certified fabric: manufactured to strict environmental standards using safe production methods which eliminate the use of harmful substances

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 40D x 40D 100% polyester plain weave taffeta
Exceptional comfort next to skin
Highly breathable and fast drying


The Prism Vest 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 vest may need occasional re-proofing to restore the DWR. MONTANE® recommends Nikwax TX Direct. Please see for more information.