Montbell Plasma 1000 Down Jacket

45g of 1000 Fill Power Down / Ballistic Airlight Rip-Stop Shell
Weighs 134g (Medium size)
Code: SS20389
  • £319.99
  • (FREE Delivery on orders over £15)
+ In Stock Now | Usually dispatched within 24 hours

(Unfortunately, we are unable to ship MontBell products outside of the UK)

The Plasma 1000 is what we're about! This is the lightest down jacket we have on offer. Filled will exceptional quality 1000 fill power down this is the ultimate for lightweight warmth.  

Montbell says:

Based on our highly successful EX Light Down Jacket, with the Plasma we take it to the next level! Straight forward core insulation,this piece utilizes only the finest 1000 fill power goose down and gossamer 7-denier nylon. This item is cut trim to work more effectively with outer layers.

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Montbell's Plasma 1000 Down Jacket is top class in every sense. Weighing in at an ultralight 134g and containing the finest quality down in the form of 45g worth of 1000 fill power down, the numbers speak for themselves. This jacket has a superb warmth to weight ratio due to the quality of the down. The lightweight 7D outer fabric is not the most durable so care is needed when using the jacket but since every aspect of this jacket is aimed at high performance with outstanding materials this is to be expected.

Obviously, to get a jacket this lightweight there are no additional features that would add weight so this jacket comes without handwarmer pockets and has simple elasticated cuffs to keep the heat in. However, when every gram counts this jacket is exceptional and in reality it is only going to appeal to those who understand the benefits of this kind of jacket. 

- Reviewed by Ultralight Outdoor Gear

Help and advice:
  All about down filling in sleeping bags
  • Sewn thru construction
  • Elastic cuffs to seal out drafts
  • No hand pockets
  • Stuff sack included
  • Front zipper: Left hand insert
  • Small weighs: 122g
  • Medium weighs: 134g
  • Large weighs: 150g
  • Centre back length: 73cm / 28.7in


  • Fill weight: 45g
  • Insulation: 1000 Fill Power EX Down Fabric
  • Fabric 7-denier Ballistic Airlight rip-stop nylon
  • DRW: Standard DWR treatment
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