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Arc'Teryx Women's Cerium LT Hoody

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The Arc'teryx Women's Cerium LT Hooded Down Jacket is the lightest piece in the Cerium series, and possibly the warmest, too. The one-two punch of the high-tenacity Arato face fabric and high-warmth-low-weight of the 850-fill European goose down insulation make this piece a real knock-out when it comes to staying warm in cold and dry conditions. 

When it comes to winning money and down insulation, the higher the number, the better off you'll be. So, a higher fill-power down, like the 850-fill used in the Cerium LT, refers to how much space a single ounce of down occupies. And the more space used, means more air that's trapped between the fibers of the down. That trapped air creates a barrier between hot and cold, so warm air stays near you, and cold air stays away. If you take this logic one step further, one ounce of a particular down takes up more space than other type of down, it stands to reason that you'll need less of the 'bigger' down to keep you warm, thus reducing the weight of your jacket. Case in point, the Cerium's 850-fill down keeps you toasty-warm. The whole winning money thing, well, the Cerium can't do much for you there.

And since untreated down doesn't work when wet, the folks at Arc'teryx put synthetic insulation in places most likely to get wet. This translates into synthetic insulation on your shoulders, collar, hem, and armpits, along with a DWR-finish that withstands a light drizzle until you reach shelter, without sacrificing too much warmth. This super-light jacket also comes with it's own stuff sack, so the jacket remains protected from pokes and prods. Not to mention, the same down hugging your tummy also swaddles your melon, courtesy of the insulated low-profile StormHood.

  • Ultralight, super-warm down jacket
  • Tough Arato 10 fabric is water-resistant for protection
  • Slim fit boosts warmth and keeps movement au-natural
  • 850-fill European goose down fill and synthetic fill assure warmth
  • Adjustable, insulated StormHood for added protection
  • Elasticized hem seals out drafts
  • Zippered hand pockets stash essentials
  • Stuff sack makes packing in and out a breeze
  • Item #ARC00J1