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Kelty Cosmic Synthetic 0F Degree Mummy Sleeping Bag, 4 Season
✅ In stock
F
Grade
Analysis Confidence
63%
Price verified Nov 12, 2026 10:11 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Kaviso Outdoors
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓nylon
✓Imported
✓ZERO-DEGREE WARMTH, NO DOWN REQUIRED: Recycled CirroLoft ECO insulation delivers compressible 0°F warmth without the down price tag. Built for cold nights when your campsite starts feeling suspiciously like a freezer
✓ROOM TO WIGGLE: The expanded natural-fit footbox gives tired feet space to move, while a contoured hood, full draft collar, offset quilting, and full-length draft tube help hold onto heat and reduce cold spots
✓VENT WITHOUT THE ZIPPER FIGHT: Dual locking sliders let you fine-tune airflow, while anti-snag treatment keeps the zipper moving smoothly. A zippered internal stash pocket keeps your phone, headlamp, or small essentials close
✓PACK IT DOWN + HIT THE TRAIL: Soft recycled shell and liner fabrics balance durability with next-to-skin comfort, while the included compression stuff sack helps shrink the bag down when pack space gets tight
✓NITTY GRITTY – LONG: Fits sleepers up to 6 ft. 6 in., weighs 5 lb. 3 oz., measures 84.3 in. long, and carries 67.8 oz. of insulation. 0°F rating, 11.5 x 19 in. stuffed size, and compression sack included.
⚙️ Specifications
Brand
Kelty
Color
Fired Brick Red
Occupancy
1 Person
Shape
Mummy
Seasons
All Seasons
Temperature Rating
Minus 4 to 0 degrees Celsius
Age Range (Description)
Adult
Special Feature
Compression Strap Integrated Stuff Sack
Material
20D recyclednylon, PFAS-free DWR treatment
Fill Material
Synthetic
Additional Features
Compression Strap Integrated Stuff Sack
