Latex hybridBrand product image
1 / 1Images: King Koil. Shown size and configuration may vary.
Xtended Life
Best for: King Koil’s longest warranty
Built with high-density foams and Talalay latex over encased coils, and carries King Koil's 25-year warranty.
Good to know: Models and heights are not published; warranty terms beyond the length are on the warranty page, not the product page.
- Type
- Latex hybrid
- Height
- Quoted to your order
- Sizes
- 6 ready-made
- Certified
- CertiPUR-US
38 × 75 in · Quoted to your order tall
Where to get it
- kingkoil.comQueen $3,399 · checked Oct 17 See price
- Natural latexTalalay See the list
Returns: Store purchases: set by the retailer. Details
We may earn a commission if you buy. Check the price for your exact size and height on the seller’s site.
The short version
Worth a look if
- King Koil’s longest warranty
Good
- Built with high-density foams and Talalay latex over encased coils, and carries King Koil's 25-year warranty.
- Trial: Store purchases: set by the retailer. KingKoil.com online purchases get a 100-night trial (30-night minimum).
- Sizes: Twin, Twin XL, Full, Queen, King, Cal King
Think about
- Models and heights are not published; warranty terms beyond the length are on the warranty page, not the product page.
- No owner reviews we could verify yet
- Standard sizes only: no RV, odd or custom sizes listed
Based on the maker’s published specs and terms, and the owner reviews linked below. We haven’t slept on it. Something wrong? Tell us.
What owners say
No owner reviews we can verify yet A small set of real reviews, each linked to its source. Not a star rating.
No independent owner feedback naming this model was found or researched.
What people liked
No supported praise summary in the sample.
What to weigh up
No substantive concern verified in this small sample. This is a gap in the evidence, not proof of no drawbacks.
Sources & sample limits
None Sample: 0 owner reports.
Store-sold model; independent owner reviews by model name were not found in this pass.
Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.
What owners report
Five brief reviews on King Koil's own site, all positive but early: owners call it comfortable and good quality while still breaking it in. No long-term reports.
Owners like
- Comfortable
- Good build quality
From King Koil product page (Judge.me reviews) (seller’s site). Summarized in our words.
Every size it comes in
Twin38 × 75 inQuoted to your orderTwin XL38 × 80 inQuoted to your orderFull · 54-inch54 × 75 inQuoted to your orderQueen60 × 80 inQuoted to your orderKing76 × 80 inQuoted to your orderCalifornia king72 × 84 inQuoted to your order
Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it.
Price for every size
From the maker’s site on Oct 24, 2026. Prices change often, so check before you buy.
| Size | Inches | Price | |
|---|---|---|---|
| Queen | 60 × 80 | $3,399 | See it |
How it compares
Beside the most similar mattresses from other brands.
| Xtended LifeKing Koil | Extra Firm MattressAvocado | Green Ultra Plush MattressAvocado | Latex MattressAvocado | |
|---|---|---|---|---|
| Type | Latex hybrid | Latex hybrid | Latex hybrid | Latex |
| Queen price | $3,399 | $2,599 | $3,399 | $3,499 |
| Height | — | 10″ | 15.5″ | 9″ |
| Trial | 100 nights | 365 nights | 365 nights | See terms |
| Odd sizes | None | None | None | None |
| Expert reviews | None yet | 2 | None yet | 2 |
What’s inside
- 1Memory foam
- 2Natural and graphite-infused Talalay latex
- 3High-density Everlast foams
- 4Encased steel coils
- Feel
- Not published
- Height
- Quoted to your order
- Custom sizes
- Not offered for this model
Returns and ordering
Trial and returns
Store purchases: set by the retailer. KingKoil.com online purchases get a 100-night trial (30-night minimum).
Before you order
- Measure inside the frame, not the old mattress
- Check clearance above for the height you pick
- Make sure your base supports it
- Buy sheets in the same exact size
Questions
What is it made of?
High-density Everlast foams, memory foam, natural and graphite Talalay latex over encased steel coils. Height is not published.
How firm is it?
Not published That’s the maker’s description; we haven’t measured it.
Which sizes and heights can I get?
6 sizes, Quoted to your order. See every size. Confirm your exact size and height with the seller.
Are the reviews about this exact mattress?
No owner reviews we can verify yet. Store-sold model; independent owner reviews by model name were not found in this pass.
Where did this information come from?
Checked 2026-10-17. Specs and terms can change.
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