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Is it goose down? Or primo loft? — 1 Answer

by Chris Cooper, from OK, United States Asked on August 15, 2020

Name Kryptek Cirius Down Jacket - Men's (4.4)
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Answered by Nick B., Gear Expert, from IL, United States, on September 17, 2021

These jackets are insolated with 600 fill power down with Kryptek Defender, which is specifically designed to provide lightweight exceptional warmth even in damp conditions.

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Last updated 2025-11-12 UTC.