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The Kelty Cosmic Down 20 is a three-season mummy bag filled with 550-fill-power responsibly sourced down and wrapped in a 20D nylon shell with a PFC-free water-repellent finish. It is rated to a 0C comfort and -6C lower limit, and the regular size weighs about 1.19 kg with 868 g of down inside. It is one of the better-value down bags you can buy, and it suits backpackers and campers who want warmth and packability without paying premium prices. Against pricier 800-fill bags it is heavier and bulkier, and its 550-fill down loses loft faster in damp conditions, but owners consistently call it a solid, warm bag for the money.
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Availability unknownSold by dandktreasures (99.6% positive, 4,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknownSold by sha0903 (99.2% positive, 857 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $119.95 on Nov 9 at Kaviso. Tracked across 13 stores since Nov 9.
Owners rate the Cosmic Down 20 highly as a warm, dependable three-season bag for the money. Most praise its loft and comfort on cold nights, while some note the weight and bulk compared with higher-fill down bags.
