{"product_id":"kelty-cosmic-20-down-sleeping-bag","title":"Kelty Cosmic 20 Down Sleeping Bag","description":"\u003cp\u003eKelty Cosmic 20 down sleeping bag provides 20°F-rated warmth through 550-fill DriDown insulation — Kelty's proprietary hydrophobic down treatment that maintains loft and warmth performance when exposed to moisture. The Cosmic 20 is positioned as a three-season backpacking bag that covers spring, summer, and fall camping at elevations and latitudes where overnight temperatures regularly drop into the 20s, while remaining packable enough for multi-day backpacking trips.\u003c\/p\u003e\n\n\u003ch2\u003eDriDown vs. Standard Down\u003c\/h2\u003e\n\u003cp\u003eStandard down insulation collapses when wet and loses nearly all thermal insulation value until completely dry. DriDown applies a hydrophobic polymer treatment to the down clusters that causes water to bead rather than saturate the fill, maintaining 70-80% of loft and warmth when wet compared to untreated down. For backpacking in the Pacific Northwest, shoulder seasons in the Rockies, or any environment with frequent rain and condensation, DriDown provides a meaningful performance advantage over untreated down at the same fill power and weight.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e550-fill DriDown — hydrophobic down treatment, maintains loft when damp\u003c\/li\u003e\n\u003cli\u003e20°F temperature rating — covers three-season backpacking conditions\u003c\/li\u003e\n\u003cli\u003eMummy cut — minimal dead air space for efficient warmth\u003c\/li\u003e\n\u003cli\u003eCompression stuff sack included — packable for backpacking use\u003c\/li\u003e\n\u003cli\u003eDraft collar — blocks cold air from entering at the shoulder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSleeping Bag Temperature Ratings and Real-World Use\u003c\/h2\u003e\n\u003cp\u003eEN\/ISO temperature ratings measure the minimum temperature at which a standard sleeper stays warm — a survival rating, not a comfort threshold for most people. Cold sleepers, women, and anyone sleeping in damp conditions should treat a 20°F bag as appropriate for camping in the 30s and above for comfortable sleep. Layer a sleeping bag liner or wear insulated camp clothing if sleeping at or near the stated temperature rating to maintain comfort.\u003c\/p\u003e","brand":"Kelty","offers":[{"title":"Default Title","offer_id":52341081473300,"sku":"PPO-CMP-KC2D4116","price":227.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/6614\/2996\/files\/61EMiPuNqzS._AC_SL1500.jpg?v=1776121858","url":"https:\/\/peakperformanceoutfitters.com\/products\/kelty-cosmic-20-down-sleeping-bag","provider":"Peak Performance Outfitters","version":"1.0","type":"link"}