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US Plasma 1000 Down Jacket Men's

  • Sale
  • Regular price $399.99

Weight: 0.135 kg

The Montbell Plasma 1000 Down Jacket is really quite remarkable to touch. It's so light that it floats to the ground when dropped. This lightness is achieved by using the lightest materials and production techniques.

7 Denier Ballistic Airlight Nylon. Ballistic Airlight is made using the same nylon polymer as our Ballistic material and a highly technical production process to create extremely fine, super thin threads. These threads are then woven into ultralight, gossamer fabrics that share the same characteristics as Ballistic: one and a half times more abrasion resistance than other similar weight fabrics and boasts three times the tear strength of nylons that are almost 20% heavier. This fabric weighs in at only 25g per square meter and is highly wind resistant.

1000 Fill Power Goose Down. Fill power refers to the volume in cubic inches that one ounce of down will displace. Of two jackets that are equally warm, the one with the highest fill power will compress the most effectively. 

Unique Baffle Sewing Pattern. Even the stitching is optimised to reduce weight. While the narrow baffles keep down in place, they also allow for maximum loft which increases heat retention.

This jacket is aimed at the the gram conscious traveller or back country enthusiast or at someone who enjoys the luxury of a top piece of kit with a high pedigree. Without pockets, this jacket aims to replace a bulky polar fleece and will be of particular use to someone who will regularly pack the jacket down into its tiny stuff sack.

This jacket is part of the US size range but it is designed to fit closely so it wears well as a mid layer. Go with the size you normally would in Australia but expect a trim cut. If you would like any help selecting size please don't hesitate to use the contact form.


  • Sewn thru construction
  • Elastic cuffs to seal out drafts
  • No hand pockets
  • Stuff sack included


Weight 135 g
Fill weight  45g
Insulation 1000 Fill Power Down
Fabric 7-denier Ballistic Airlight rip-stop nylon
DWR Standard DWR treatment
Compressed size φ3.9 x 5.5 in. (φ10 x 14 cm)
Country of origin CHINA
Center back length 28.4 in. (72 cm)
Front zipper: Left hand insert (Right side slider)