Montbell Mens US Plasma 1000 Alpine Down Parka

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  • Regular price $599.99

The Plasma 1000 Alpine Down Parka represents the lightest mid-weight insulated layer available today. Made with some of the world’s thinnest nylon, 1000 fill power goose down, and gram shaving construction techniques this garment challenges the limited definition of Ultra Light kit. Extremely compact, highly portable, and with more than 40% of the parka weight being high lofting goose down it may not be possible to find a warmer 8.4 ounces when planning your next backcountry adventure. Fully functional in 3 seasons we see the Plasma 1000 Alpine offering as the ultimate “warmth to weight ratio” performer for the ultra light backpacking crowd, but just as useful during done in a day winter treks, ski mountaineering missions, or the occasional group snowshoe outing.


  • Sewn thru construction
  • 2-way adjustable fixed hood
  • Draw cords for hem adjustment hidden in pockets
  • Elastic cuffs to seal out drafts
  • 2 zippered hand warmer pockets


Weight 8.4 oz. (237 g)
Fill weight 3.4 oz. (96 g)
Insulation 1000 Fill Power EX Down
Fabric 7-denier Ballistic Airlight rip-stop nylon
DWR Standard DWR treatment
Compressed size φ5.3 x 7.6 in. (φ14 x 19 cm)
Country of origin VIETNAM
Center back length 28 in.
Other Front zipper: Left hand insert (Right side slider)


Information for Down Leakage and Clumping (38-137)

Since this product is designed to be as lightweight and compact as possible, it is made using extremely thin, lightweight materials. Although the material is treated to prevent down leakage, it is possible for down to work itself out through the space between individual fibers. In the event that small feather spines or down clusters work their way through the fabric it is best to reach behind the fabric and pull the offending down cluster BACK INTO its down chamber. Gently massage the area to promote "self sealing" and re-align the fabric threads, while better distributing the down insulation.

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