Prism Vest

Product No:

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Worn under layers or alone, the Prism Vest is an indispensable, highly versatile item of kit.

Fabric: PERTEX® Microlight Rip-stop

Filling: PRIMALOFT® ECO 40g

Lining: PEAQ Synthetic

Zips: YKK Reverse coil

Colour:  Black / Graphite lining / Graphite zips

Weight: 245g / 8.6oz (SIZE M)

Sizes: S, M, L, XL

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® ECO insulation throughout the body is warm, packable and exceptionally 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 SCOTCHLITE™ 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 and 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