BigDawg Mattress · Review
SleepDog BigDawg RV Mattress Review
Nonbiased Reviews · YouTube ↗
1 / 1Images: SleepDog. Shown size and configuration may vary.
BigDawg Mattress
Best for: Flippable truck mattress
A 9″ two-sided foam mattress with a soft and a firm side, in 32″ to 42″ × 80″ truck sizes and 48″ × 75″, 60″ × 75″ and 72″ × 75″ RV sizes.
Good to know: The page doesn't say how different the two sides feel.
- Type
- Memory foam
- Height
- 9″
- Sizes
- 8 ready-made
- Certified
- CertiPUR-US, OEKO-TEX
- Weight (queen)
- 59 lb
Pick it if
- You sleep on your side
- You sleep on your back
- You sleep on your stomach
- You’re a heavier person
- You’re on the lighter side
- You sleep hot
- You share the bed
From independent reviewers’ findings, credited below.
48 × 75 in · 9″ tall
Where to get it
- sleepdogmattress.comQueen $989 · checked Oct 21 See price
- For heavier peopleReviewers: Firm side suits heavier sleepers; rated well across body types. See the list
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
- Flippable truck mattress
Good
- A 9″ two-sided foam mattress with a soft and a firm side, in 32″ to 42″ × 80″ truck sizes and 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: 9″
- Sizes: Size D (32 × 80), 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
- The page doesn't say how different the two sides feel.
- 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.
What independent reviewers found
- Sleep Doctor (Aug 2025): Named its most comfortable truck mattress. Flippable: medium-soft side (about 4/10) gives strong pressure relief and motion isolation; firm side (about 7/10) gives sturdier edges. Testers rated it well across positions and body types. Roundup entry, not a full review; site says it tests products and may earn commissions. Read it ↗
- Nonbiased Reviews: Tested in a Class A RV. Soft side about average firmness for side and lighter sleepers; firm side very firm for back, stomach and heavier sleepers. Little motion transfer, temperature-neutral feel, low off-gassing; cover is spot-clean only. Brand supplied the mattress; site uses affiliate links. Review date unclear. Read it ↗
Their testing, in our words. We haven’t tested these mattresses ourselves, and we don’t repeat their scores.
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 in9″Short queen60 × 75 in9″Short king72 × 75 in9″Truck sleeper 42 × 8042 × 80 in9″Queen60 × 80 in9″Size D (32 × 80)32 × 80 inAs listedSize 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.
| Size | Inches | Price | |
|---|---|---|---|
| Size D (32 × 80) | 32 × 80 | $699 sale | See it |
| Size A (36 × 80) | 36 × 80 | $759 sale | See it |
| Size B (39 × 80) | 39 × 80 | $779 sale | See it |
| Size C (42 × 80) | 42 × 80 | $799 sale | See it |
| Size E (48 × 75) | 48 × 75 | $799 sale | See it |
| RV Queen (60 × 75) | 60 × 75 | $989 sale | See it |
| Queen (60 × 80) | 60 × 80 | $989 sale | See it |
| RV King (72 × 75) | 72 × 75 | $1,099 sale | See it |
Video reviews
How it compares
Beside the most similar mattresses from other brands.
| BigDawg MattressSleepDog | CopperFlex EssentialBrooklyn Bedding | The DozyCustomMattress.com | Adventure PlusMattress Insider | |
|---|---|---|---|---|
| Type | Memory foam | Memory foam | Memory foam | Memory foam |
| Queen price | $989 | $799 | $599 | $693 |
| Height | 9″ | 6″ or 8″ or 10″ or 12″ or 14″ | 5″ or 6″ or 7″ or 8″ or 9″ or 10″ or 11″ or 12″ | 9.75″ |
| Trial | 120 nights | 365 nights | See terms | 365 nights |
| Odd sizes | 4 | 16 | 10 | 13 |
| Expert reviews | 2 | None yet | None yet | None yet |
What’s inside
- 12″ quilted foam cover (extra comfort layer on the soft side)
- 23″ CoolRest gel memory foam, 3 lb
- 34″ Sure Align high-density support foam, 2 lb
- Feel
- Flippable: soft side and firm side
- Height
- 9″
- 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 9″ two-sided foam truck and RV mattress you flip for a soft or firm side. A 2″ quilted foam cover adds an extra comfort layer on the soft side, over 3″ of 3 lb CoolRest gel memory foam and 4″ of 2 lb Sure Align support foam. Heather-gray knit cover with orange trim; labeled DOT approved.
How firm is it?
Flippable: soft side and firm side That’s the maker’s description; we haven’t measured it.
Which sizes and heights can I get?
8 sizes, 9″. 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?
- 9″; size chart A 36×80, B 39×80, C 42×80, D 32×80, E 48×75, Queen 60×80, RV Queen 60×75, RV King 72×75; flip soft/firm; layers; 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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