A cut-corner RV mattress can make a bunk more usable, but the shape and thickness need to match your sleeping area. These three options share a 51-by-74-inch footprint and a 22-inch corner cut, yet they differ in thickness and design. Measure your bunk carefully—including which corner is cut and how much headroom you have—before choosing.
Quick Comparison
| Mattress | Size and thickness | Notable feature | Best for |
|---|---|---|---|
| Daspom RV Corner Angle Cut Bunk Mattress | 74 × 51 in; 3.2 in thick | Memory foam over support foam; removable cover | Shallower bunk setups |
| Camping World Cozyway RV Bunk Mattress, 4-Inch | 74 × 51 in; 4 in thick | Reversible design with two firmness options | A balance of cushioning and bunk clearance |
| Camping World Cozyway RV Corner Cut Bunk Mattress, 8-Inch | 74 × 51 in; 8 in thick | 22-inch right corner angle; CertiPUR-US foam | More mattress depth, if the bunk has room |
Our Picks: Best Rv Mattress With Cut Corner reviews
Daspom RV Mattress: A Slim Option With a Removable Cover
The Daspom is a 3.2-inch-thick bunk mattress with a 74-by-51-inch footprint and a 22-inch corner cut. Its slimmer profile may suit an RV bunk where extra mattress height would interfere with limited overhead clearance.
The listed foam construction pairs a memory foam top with support foam below. The cover is removable and described as machine washable on a gentle cycle, which is a practical detail for a mattress used in a camper. Its medium-firm feel is intended to balance contouring with a stable base.
The main trade-off is thickness. At 3.2 inches, it has less material than either Cozyway option, so it may not provide the same amount of cushioning for sleepers who prefer a deeper mattress. Check the cut’s position and dimensions against your bunk before ordering. The supplied product data also marks this option as unavailable, so confirm its current status before making plans around it.
Pros:
- Slender profile may work well in bunks with limited clearance
- Memory foam top with support foam underneath
- Removable cover is described as machine washable
- Medium-firm design aims to provide a stable sleeping surface
Cons:
- Thinner than the two Cozyway choices, which may mean less cushioning
- Confirm availability and exact corner orientation before purchasing
Verdict: Choose the Daspom if a thinner mattress and washable cover matter more to you than extra depth, but verify availability and fit first.
Camping World Cozyway 4-Inch Mattress: A Reversible Middle Ground
This Cozyway mattress measures 51 by 74 inches, is 4 inches thick, and has a 22-inch corner cut designed for RV bunks. It sits between the thinner Daspom and thicker 8-inch Cozyway, making it a useful option if you want more depth than a low-profile mattress without going as tall as an 8-inch model.
Its standout feature is the reversible design: the product description says the two sides offer different firmness levels, so you can flip the mattress to choose the feel that suits you better. The cover is described as water-resistant and stain-resistant, qualities that can be helpful in a camper. The mattress ships compressed; allow a few hours after unboxing for it to expand, as directed in the product information.
This option may appeal to households that are unsure which firmness they prefer, or that want a practical bunk mattress for camping trips. Its 4-inch height still needs to be checked against the available headroom and any bunk guard or storage above it. The supplied information does not identify the corner as left- or right-cut, so compare the cut shape with your bunk before buying.
Pros:
- Reversible design offers two stated firmness options
- Four-inch profile is between the thinner and taller choices here
- Cover is described as water-resistant and stain-resistant
- Product information specifies a 22-inch corner cut
Cons:
- Needs time to expand after unboxing
- Confirm that the cut orientation matches your bunk
Verdict: The 4-inch Cozyway is a strong middle-ground pick if you want a reversible feel and a moderate mattress height, provided its corner shape matches your bunk.
Camping World Cozyway 8-Inch Mattress: A Deeper Right-Cut Choice
This Cozyway is the thickest option in the comparison at 8 inches. It measures 51 by 74 inches and is described as having a 22-inch right corner angle. That specific orientation matters: it could make this a good match for a right-cut bunk, but it may not fit a left-cut layout.
The product information highlights CertiPUR-US foams, breathable materials, support, and pressure relief. It does not provide details about the foam layers or a removable cover, so consider those points unconfirmed when comparing it with the other choices. The extra height may appeal if you prefer a deeper mattress, but it also makes bunk clearance especially important.
Before choosing this model, measure the distance between the bunk surface and anything above it, and check whether bedding or a guardrail could be affected by an 8-inch mattress. The thicker build may not suit compact bunks or spaces designed for a lower mattress. Unlike the 4-inch Cozyway, the supplied details do not mention a reversible firmness choice.
Pros:
- Eight-inch thickness offers the deepest profile in this comparison
- Product listing specifies a right corner angle
- Foam is identified as CertiPUR-US
- Breathable materials and pressure relief are listed among its features
Cons:
- May be too tall for bunks with limited overhead clearance
- The stated right-cut orientation may not suit a left-cut bunk
Verdict: Pick the 8-inch Cozyway if your bunk has room for the added height and its right-corner cut matches your layout; otherwise, a thinner option is a safer fit.
How to Choose an RV Mattress With a Cut Corner
Measure the bunk and corner carefully
Measure the length and width of the sleeping platform, then note how far the cut corner extends and which side it is on. A mattress can have the right overall dimensions and still be the wrong shape if its angled corner faces the opposite direction. Compare your measurements with the full product details rather than relying on the phrase “RV bunk mattress” alone.
Check clearance before choosing thickness
Measure from the bunk platform to the ceiling, upper bunk, cabinet, or other nearby obstruction. The options here range from 3.2 to 8 inches thick, and that difference can affect how much sitting or moving room remains. Also account for any guardrail or fitted bedding that may be affected by a taller mattress.
Match the firmness and cushioning to your needs
Think about whether you prefer a firmer, shallower surface or a deeper mattress. The Daspom is listed as medium firm and 3.2 inches thick. The 4-inch Cozyway is reversible, with the product description identifying a different firmness on each side. The 8-inch model is thicker, but the supplied information does not specify a firmness level.
Consider covers and care
RV bedding can be exposed to spills and dirt, so check how the cover is meant to be cleaned. The Daspom has a removable cover described as machine washable on a gentle cycle. The 4-inch Cozyway’s cover is described as water-resistant and stain-resistant. The product details supplied for the 8-inch option do not specify a removable or washable cover.
Allow for setup and expansion
The 4-inch Cozyway ships compressed and its product description advises allowing a few hours for expansion after unboxing. If your trip is soon, plan time for setup before using it. For the other models, check the product instructions for any unpacking or expansion guidance rather than assuming they have the same setup process.
Compare materials and product details
Look for information that matters to your sleeping setup, such as foam type, cover construction, care instructions, and stated certifications. The 8-inch Cozyway lists CertiPUR-US foam, while the Daspom describes memory foam over support foam. The 4-inch Cozyway emphasizes its reversible design and protective cover. Compare only features that are clearly stated for the specific model.
Frequently Asked Questions
How do I know whether a cut-corner mattress will fit my RV bunk?
Measure the bunk’s length and width, then measure the cut corner and identify which side it is on. Confirm that both the dimensions and corner orientation match the mattress listing.
Are these mattresses all the same size?
All three product listings describe a 51-by-74-inch mattress footprint. Their thicknesses differ: 3.2 inches for the Daspom, 4 inches for one Cozyway, and 8 inches for the other Cozyway.
Which option is best for a bunk with little overhead clearance?
The 3.2-inch Daspom has the slimmest profile of these choices. Still, measure your bunk and check whether its corner cut matches before selecting it.
Which mattress offers more than one firmness option?
The 4-inch Camping World Cozyway is described as reversible, with a soft side and a firm side. The product information for the other two models does not describe a reversible firmness choice.
Does the 8-inch Cozyway fit a left-corner bunk?
Its listing specifies a 22-inch right corner angle. Do not assume it will fit a left-corner bunk; verify the product shape against your bunk before ordering.
Which option has a removable cover?
The Daspom description says its cover is removable and can be machine washed on a gentle cycle. The 4-inch Cozyway cover is described as water-resistant and stain-resistant, while the supplied details for the 8-inch model do not specify whether its cover is removable.
Which cut-corner RV mattress is the best overall choice?
The 4-inch Camping World Cozyway is the most balanced choice in this group if its cut matches your bunk: it offers a middle-ground thickness and a reversible design. Choose the Daspom for a slimmer profile or the 8-inch Cozyway for a deeper mattress and a right-corner cut, as long as the fit and clearance work for your RV.
Final Recommendation
For most shoppers comparing these three options, the 4-inch Camping World Cozyway is the most versatile place to start because it combines moderate thickness with a reversible design. The Daspom is worth considering when bunk clearance is tight, while the 8-inch Cozyway is better suited to a bunk with extra room and a matching right-corner angle. Measure your sleeping platform, corner, and overhead space before choosing so the mattress fits both the shape of your bunk and your setup.