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As the name suggests, the Plasma Jacket features 1000 fill-power down, which raises the bar for a premium down insulated jacket. But that's not all; this Spartan jacket also features MontBell's 7 denier (25 g/m2) shell fabric, for a garment weight of 4.8 oz (136 g). For comparison, a midweight wool baselayer weighs about 8 oz (227 g).

Furthermore, the Plasma 1000 a good value at US $269 compared to other ultralight high-end down sweaters. So, what's not to like? It seems to tower above everything else. Well, it's a bit of a conundrum, as explained below.


  • Overview
  • Description
  • So, What's the Conundrum?
  • Performance
  • Comparisons
  • Conclusions and Recommendations

# WORDS: 1290

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