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3-Season 15 ° F / - 9 ° There are always colder temps to be found, even during Summer. Don't hesitate a bit to go higher when you've got a lightweight, warm Arrow Rock in your pack. Flex™ technology throughout gives an unparalleled night's rest. 600-fill goose down sleeps well on Whitney or Longs and tuck stitching guards seams against an early demise due to abrasion.
Technology
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GOOSE DOWN FILL : THERMAL INSULATION
Down is considered to be the single-most warmest insulating material ever found on Earth. Down quality is measured by placing 1 oz. of goose down into a graduated cylindrical tube & measuring the
volume that the down material condenses down to (in cubic inches).
The "number" of fill power for each down material corresponds to the end results of condensing the goose down feathers in a cylindrical tube measured in cubic inches; as the number of
fill-power number goes up, so does the quality, loft, and condensability of the down material itself.
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Goose Down Fill: 600-Fill
600-Fill Goose Down is warm, durable, and lightweight. Offering exceptional warmth while allowing superior compatibility, 600-fill is considered to be one of the widest insulating materials used in
the world. Ideal for use in everyday cold environments, moderately-short outings, and general use as a basic insulating property.
Benefits
Warm & Durable
Lightweight Insulation
Compressible
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