Memory foamBrand product image
1 / 1Images: SleepDog. Shown size and configuration may vary.
Mattress
Best for: Truck bunks and small RV beds
A 7″ medium-firm gel memory foam mattress in truck sizes 36″, 39″ and 42″ × 80″, plus 48″ × 75″, 60″ × 75″ and 72″ × 75″ RV sizes.
Good to know: Returns need an authorization and the FAQ says you must sleep on it 60 nights first.
- Type
- Memory foam
- Height
- 7″
- Sizes
- 7 ready-made
- Certified
- CertiPUR-US, OEKO-TEX
- Weight (queen)
- 57 lb
48 × 75 in · 7″ tall
Where to get it
- sleepdogmattress.comQueen $759 · checked Oct 21 See price
Returns: 120 nights; the FAQ says a return authorization can be requested after 60 nights, and stained or damaged mattresses aren't accepted 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
- Truck bunks and small RV beds
Good
- A 7″ medium-firm gel memory foam mattress in truck sizes 36″, 39″ and 42″ × 80″, plus 48″ × 75″, 60″ × 75″ and 72″ × 75″ RV sizes.
- Trial: 120 nights; the FAQ says a return authorization can be requested after 60 nights, and stained or damaged mattresses aren't accepted
- Height: 7″
- Sizes: Size A (36 × 80), Size B (39 × 80), Size C (42 × 80), Size E (48 × 75), Queen (60 × 80), RV Queen (60 × 75), RV King (72 × 75)
Think about
- Returns need an authorization and the FAQ says you must sleep on it 60 nights first.
- No owner reviews we could verify yet
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 reviews naming this SleepDog model were found.
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 found Sample: 0 owner reports.
Owner comments were not searched beyond the brand site; star ratings on sleepdogmattress.com are brand-hosted and not used.
Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.
Every size it comes in
3/448 × 75 in7″Short queen60 × 75 in7″Short king72 × 75 in7″Truck sleeper 42 × 8042 × 80 in7″Queen60 × 80 in7″Size A (36 × 80)36 × 80 inAs listedSize B (39 × 80)39 × 80 inAs listed
Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it. Sizes marked “as listed” don’t exactly match a standard size, so check your frame.
Price for every size
From the maker’s site on Oct 24, 2026. Prices change often, so check before you buy.
How it compares
Beside the most similar mattresses from other brands.
| MattressSleepDog | Elation (6″ Gel Memory Foam)Mattress Insider | CopperFlex EssentialBrooklyn Bedding | The DozyCustomMattress.com | |
|---|---|---|---|---|
| Type | Memory foam | Memory foam | Memory foam | Memory foam |
| Queen price | $759 | $459 | $799 | $599 |
| Height | 7″ | 6″ | 6″ or 8″ or 10″ or 12″ or 14″ | 5″ or 6″ or 7″ or 8″ or 9″ or 10″ or 11″ or 12″ |
| Trial | 120 nights | 365 nights | 365 nights | See terms |
| Odd sizes | 4 | 18 | 16 | 10 |
| Expert reviews | None yet | None yet | None yet | None yet |
What’s inside
- 1Quilted heather-gray knit cover
- 23″ CoolRest gel memory foam, 3 lb (description says 2″)
- 34″ Sure Align high-density support foam, 2 lb (description says 5″)
- Feel
- Medium-firm
- Height
- 7″
- Custom sizes
- Not offered for this model
Complete the bed
Odd sizes need everything else in the same inches. Here’s what we have for this mattress’s odd sizes.
3/4 · 48 × 75
Short queen · 60 × 75
Short king · 72 × 75
Truck sleeper 42 × 80 · 42 × 80
Returns and ordering
Trial and returns
120 nights; the FAQ says a return authorization can be requested after 60 nights, and stained or damaged mattresses aren't accepted
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?
A 7″ all-foam truck and RV mattress assembled in Mount Airy, NC: CoolRest gel-infused memory foam over Sure Align high-density support foam, under a quilted heather-gray knit cover. The spec chart lists 3″ of 3 lb gel memory foam over 4″ of 2 lb support foam; the description text says 2″ over 5″. Labeled DOT approved.
How firm is it?
Medium-firm That’s the maker’s description; we haven’t measured it.
Which sizes and heights can I get?
7 sizes, 7″. 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. Owner comments were not searched beyond the brand site; star ratings on sleepdogmattress.com are brand-hosted and not used.
Where did this information come from?
- 7″; size chart A 36×80, B 39×80, C 42×80, E 48×75, Queen 60×80, RV Queen 60×75, RV King 72×75; layers; medium-firm; DOT approved; 120-night trial; 10-year warranty; prices
- FAQ on product page: made in Mount Airy, NC ('domestic and imported components'); 120-night trial, RMA after 60 days; ships within 2 days, 2–5 days transit; truck fit list (Cascadia A/B, Volvo VNL 860 C, Peterbilt 579 A/C, Kenworth T680 A/C or BigDawg D); 'a Carpenter company'
Checked 2026-10-21. Specs and terms can change.
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