Montane Prism 0' Sleeping Bag - Black


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  • Prism 0 Sleeping Bag-Black - Further Faster
  • Prism 0 Sleeping Bag-Black - Further Faster

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Perfect for damp conditions and durability is needed.        


Created for rough and tough conditions, the Prism sleeping bag was conceived for expeditions where high levels of moisture are expected, durability is needed and consistency of function is a pre-requisite, regardless of the sleeping conditions, or what the sleeping bag has been through. PRIMALOFT® is highly resistant to moisture and will maintain much of its insulation even when wet, whilst the PERTEX® Microlight outer shell is windproof, fast drying and highly breathable. One of the most technical synthetic sleeping bags on the market, the Prism has a tailored anatomical form and top stitch panelling across the body to prevent PRIMALOFT® migration.
Fabric: PERTEX® Microlight
Fabric denier: 30D x 30D Rip-stop
Lining: PEAQ Synthetic
Zip: ² length YKK VISLON®
Weight: 1,156g 
Weight stuffed: 1,216.3g 
Internal length: 1,940mm 
Black / Light kiwi
Activities: Mountain Camping / Backpacking / Trekking / Basecamp / Travel
Temp Ratings
Comfort 5c
Comfort limit 0c
Extreme limit -16c


Constructed from PERTEX® Microlight that is lightweight, windproof, breathable and features a durable water repellency
PEAQ Synthetic liner that is comfortable next to the skin, highly breathable and fast drying
PRIMALOFT® ECO that is lightweight, warm and dries remarkably quickly
² length YKK VISLON® zip that is angled away from the shoulder to prevent body contact whilst user is sleeping on side and to allow easier access from inside
Fine microfleece facings and roll over Velcro closure flap at top of YKK zip for extra comfort
Two way YKK VISLON® zip for lower access or ventilation whilst zip is drawn up
Sleeping bag zip opens fully at bottom to completely open sleeping bag to aid airing and drying
Locking zip heads to avoid unexpected zip openingGlow in the dark zip pulls for easier night time location without head torchSingle volume baffle behind YKK zip
Outer and inner anatomically designed shape tapers around lower legs and curves around shoulders
Side walls to upper part of body ensure there is insulation to shoulders and head area whilst sleeping on side
Top stitch lines across outer shell to fix PRIMALOFT® insulation in place and prevent synthetic migration
Flipper shaped foot box in lower leg area tapering from knees to ankles which helps reduce cold spots. Specifically tailored to cater for upright foot position
Neck baffle is specifically shaped to encase the whole circumference of the neck
Drawcord arrangement in baffle enables further adjustment and pulls insulation closer around the neck
3-D shaped hood design based on years of MONTANE® clothing construction experience, in particular the award-winning technical mountaineering jacket hood design
Split, colour coded face drawcords to control and adjust volume individually around upper and lower face. Drawcords easily accessed from inside the sleeping bagSoft brushed microfleece inner next to chin and mouth area
Underside of sleeping bag features non-slip silicone MONTANE® roundels to help grip sleeping mat or bivvy bag
Foot box hang loops for storage and drying
Internal stretch mesh water bottle pocket on right hand side
Internal pocket on left hand side with concealed YKK zip for storage of MP3, mobile phone, GPS etc.
Includes MONTANE® cotton storage bag and dry bag
Dry bag storage doubles as a pillow whilst stuffed with clothing and features a non-slip silicone roundel for extra grip. Features pull handle on base
Dry bag shape differs from traditional tub stuff sacs; constructed with a packable shape and to fit more easily in packs


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


Due to the many different technical components involved, MONTANE® does not recommend that you wash your Prism sleeping bag.
MONTANE® recommends a professional cleaning service if in any doubt.

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