Skip to content
TrackPin
Check a price
Menu
Developers

Theme

Sea to Summit Camp Plus SI Sleeping Mat, Tapered/Large | Extra-thick 4-season self-inflating foam sleeping mat with a 4.3 R-value insulates comfortably against the coldest ground

Show full title
Rated4.5(779 ratings)Only 11 left

Great price

$87.20 is 20% below the $109.00 it normally sells for.

Now
$87.20
Normally
$109.00
Lowest in 144 days
$81.75(Aug 30)
Highest
$109.00
Evidence: Strong144 days tracked3 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

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.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $87.20. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Holds up

The listing shows

crossed out: List $109.00 −20%

Against its normal price

−20% vs $109.00

List $109.00 (−20%) holds up: today's price is 20% 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 · 3 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 20% below its normal price of $109.00. Sea to Summit Camp Plus SI Sleeping Mat, Tapered/Large price history, checked Nov 14, 2026: current price $87.20, normal (typical) price $109.00, average $106.16 over 144 days, lowest $81.75 (Aug 30, 2026), highest $109.00 (Oct 10, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $109.00
  • 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 twice, typically lasting about 5 days. It's below normal right now.

A count of what happened, not a prediction.

More real deals in Kitchen

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0GFY41ZTC
Request
curl https://trackpin.co/api/v1/product/B0GFY41ZTC \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 01:29 UTC
{
  "asin": "B0GFY41ZTC",
  "title": "Sea to Summit Camp Plus SI Sleeping Mat, Tapered/Large | Extra-thick 4-season self-inflating foam sleeping mat with a 4.3 R-value insulates comfortably against the coldest ground",
  "image": "https://m.media-amazon.com/images/I/61iDqPAt8uL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Kitchen",
  "category_label": "Kitchen",
  "in_stock": true,
  "price": {
    "current_cents": 8720,
    "reference_cents": 10900,
    "discount_pct": 20,
    "is_deal": true,
    "observed_at": 1794617862670,
    "changed_at": 1794557300578,
    "checked_at": 1794617862670,
    "source": "stored"
  },
  "verdict": {
    "label": "great",
    "text": "Great price",
    "pct_vs_normal": 20,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Great price. $87.20 is 20% below the $109.00 it normally sells for."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 10900,
    "claimed_pct": 20,
    "real_pct": 20,
    "class": "holds_up",
    "observed_at": 1794557636372
  },
  "stats": {
    "min_cents": 8175,
    "max_cents": 10900,
    "avg_cents": 10616,
    "history_days": 144,
    "price_levels": 211,
    "price_changes": 3,
    "distinct_prices": 3,
    "lowest_at": 1788058516136
  },
  "history": [
    {
      "price_cents": 10900,
      "from": 1788851304175,
      "to": 1791116339601
    },
    {
      "price_cents": 10900,
      "from": 1791248625393,
      "to": 1791248625393
    },
    {
      "price_cents": 10900,
      "from": 1791325878824,
      "to": 1791325878824
    },
    {
      "price_cents": 10900,
      "from": 1791596557926,
      "to": 1794531913358
    },
    {
      "price_cents": 8720,
      "from": 1794557300578,
      "to": 1794617862670
    }
  ],
  "last_seen": 1794617862670
}
// … 206 more steps in the full response

Normal 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.