Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado,
Show full titleShow less
Good price
$151.96 is 16% below the $181.24 it normally sells for.
- Now
- $151.96
- Normally
- $181.24
- Lowest in 144 days
- $142.46(Aug 29)
- Highest
- $189.95
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
The listing's crossed-out price
Holds upThe listing shows
crossed out: Typical $189.95 −20%
Against its normal price
−16% vs $181.24
Typical $189.95 (−20%) holds up: today's price is 16% below normal.
The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →
Price history
Tracked since Jun 22 · 144 days · 119 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 16% below its normal price of $181.24. Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers… price history, checked Nov 13, 2026: current price $151.96, normal (typical) price $181.24, average $176.25 over 144 days, lowest $142.46 (Aug 29, 2026), highest $189.95 (Oct 31, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $181.24
- 5% or more below normal
How often does it drop below normal?
In the 144 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 15 times, typically lasting less than a day. It's below normal right now. Brief dips under an hour (8) aren't counted.
A count of what happened, not a prediction.
Other ways to buy
New from
$151.96
EnwildSeller rating 87% of 15,267
Used from
$123.16
EnwildSeller rating 87% of 15,267
All 8 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| Enwild | Used - Good | $123.16 | No | 87% of 15,267 |
| Enwild | New | $151.96 | No | 87% of 15,267 |
| Camp Club | New | $189.95 | No | 84% of 1,263 |
| QnmtTrading | New | $189.95 | Yes | 81% of 3,768 |
| Camp Club | New | $189.95 | Yes | 84% of 1,263 |
| MidwayUSA, Inc. | New | $189.95 | No | 80% of 12,336 |
| Backcountry | New | $189.95 | No | 78% of 161,885 |
| Dress Code Clothing | New | $189.95 | No | 75% of 9,704 |
More real deals in Sports
Great price: −82% vs normalSveltus Epoxy Dumbbell 1 kg X2
Rated 4.7(1,716 ratings)Lowest in 44 days
Unusually large drop. Confirm on Amazon.
$18.70
normally $104.96
Great price: −80% vs normalWILSON WILSONTennis Racket
Rated 4.3(82 ratings)Lowest in 44 days
Unusually large drop. Confirm on Amazon.
$39.99
normally $199.99
Great price: −74% vs normalBBB Chain lock Bike lock PowerChain BBL-14 black
Rated 4.2(11 ratings)Lowest in 44 days
Unusually large drop. Confirm on Amazon.
$33.83
normally $131.56
Great price: −67% vs normalKingCamp Gorgeous Double 6.7" Camping Mattress with Washable Foam Cover, Extra-Thick Full Size Inflable Mattress with Pump Sack, Portable Double Mattress for Camp Outdoor Tent, Car & Guest
Rated 4.2(13 ratings)Lowest in 44 days
Unusually large drop. Confirm on Amazon.
$95.78
normally $295.62
Great price: −61% vs normalOGIO Golf Fuse 4 Stand Bag (Rocket Pop)
Rated 4.5(66 ratings)Lowest in 44 days
Unusually large drop. Confirm on Amazon.
$178.15
normally $461.48
Great price: −58% vs normalHolbrook Aero Edgeless Pickleball Paddle, Foam Core Carbon Fiber, 14/16mm | Elongated, hybrid or square shape, T700 or metallic carbon face, foam core, USAPA approved, 14mm or 16mm, 7 styles
Rated 4.0(11 ratings)Lowest in 44 days
$69.99
normally $169.99
Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B0CSPKCJZK \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B0CSPKCJZK", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B0CSPKCJZK",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B0CSPKCJZK",
"title": "Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado,",
"image": "https://m.media-amazon.com/images/I/51tiHd10hnL._AC_SL500_.jpg",
"currency": "USD",
"category": "Sports",
"category_label": "Sports",
"in_stock": true,
"price": {
"current_cents": 15196,
"reference_cents": 18124,
"discount_pct": 16.16,
"is_deal": true,
"observed_at": 1794599297312,
"changed_at": 1794578926495,
"checked_at": 1794599297312,
"source": "stored"
},
"verdict": {
"label": "good",
"text": "Good price",
"pct_vs_normal": 16.16,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Good price. $151.96 is 16% below the $181.24 it normally sells for."
},
"listing_claim": {
"label": "Typical:",
"listing_reference_cents": 18995,
"claimed_pct": 20,
"real_pct": 16.16,
"class": "holds_up",
"observed_at": 1794578961450
},
"stats": {
"min_cents": 14246,
"max_cents": 18995,
"avg_cents": 17625,
"history_days": 144,
"price_levels": 289,
"price_changes": 119,
"distinct_prices": 13,
"lowest_at": 1788046004312
},
"history": [
{
"price_cents": 18238,
"from": 1793636449555,
"to": 1793641088405
},
{
"price_cents": 18994,
"from": 1793641502635,
"to": 1793641502635
},
{
"price_cents": 18238,
"from": 1793641651958,
"to": 1793641651958
},
{
"price_cents": 18994,
"from": 1793641790583,
"to": 1794566612450
},
{
"price_cents": 15196,
"from": 1794578926495,
"to": 1794599297312
}
],
"last_seen": 1794599297312
}
// … 284 more steps in the full responseNormal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.