Over the past five years I've owned just about every style of rooftop tent you can buy. Clamshell hard shells, folding softshells with storage pouches, pop-ups — all of them. Each has its own trade-offs when it comes to setup speed, interior space, and accessories like lighting, ladders, and tie-downs.
While adventuring across the western United States I've spent countless nights elevated off the ground, away from bugs, bears, and cold, damp earth. I've weathered genuine extremes — snow and hail in Utah that literally destroyed parts of our tent while we were asleep inside it. I've seen what these shelters can and can't handle.
If you asked me which tent I enjoyed most, I could probably tell you. Which I liked least? Also manageable. But that's not what this piece is about.
"No matter how awkward a tent is to set up or pack down — the whole reason we use these things is to rest well so we can perform the next day. If you have a rough night's sleep, it will wreck your trip. I don't know about you, but I turn into a completely different person when I'm tired and sore."
I'm here today to talk about tent mattresses — and more importantly, about the fact that as tents start to push past the $4,000 to $5,000 mark, the mattresses inside them keep getting worse. Most manufacturers have gotten so comfortable with low-profile tent specs that they've completely abandoned what I consider the single most important feature of a rooftop tent.
Am I going to sleep through the night without waking up stiff, sore, and frustrated? Based on my experience with stock tent mattresses across the board — the answer is almost universally no. Not even close.
Why Stock Rooftop Tent Mattresses Consistently Disappoint
We were genuinely excited to test a premium rooftop tent as a product offering designed to pair with quality roof and bed racks. On paper it checked every box — generous space, simple setup and tear down, built to last, and genuinely good-looking. Easy to sing praises during a product review. So I decided to give an honest take on the real experience instead.
The tent itself was probably the closest thing to five-star sleeping under the stars I'd experienced in a rooftop tent. Setup took a matter of minutes. Packing away the next morning was equally smooth. The ladder was excellent. There was a large roof window for stargazing. Almost perfect.
The mattress, like every other stock option before it, had me wishing I'd just slept in the truck. I came home tired, sore, and genuinely irritated. So I made it my mission to solve this problem once and for all.
"After about two hours of searching online I had found a couple of options that advertised dual-stage memory foam with washable covers — but none of them actually fit my tent. Is it really this hard?"
Before giving up and sending a frustrated email to customer support, I stopped and thought about it from their perspective. The companies making these tents ship thousands of units every year, to people living in vastly different climates with entirely different sleeping habits. There is no one-size-fits-all mattress solution for a rooftop tent.
What the Numbers Tell You
What Actually Works: An Aftermarket Mattress Designed for Your Tent
When you're shopping for a mattress for your home, you have hundreds of choices — side sleepers, back sleepers, stomach sleepers, temperature regulation, firmness zones. The market is sophisticated because people spend a third of their lives in bed and there's real demand for quality.
Now look at rooftop tents. The designers of these products are in a constant battle to keep the closed profile as low and aerodynamic as possible while maximising usable space for sleeping bags, blankets, and pillows. The mattress is always the casualty.
If you designed a perfect mattress for someone who sleeps in sub-zero temperatures, it would be completely wrong for someone stretched out on a beach under summer stars. There is no single right answer — which is exactly why an aftermarket option that can be configured for your specific body and sleep style is so valuable.
The best aftermarket rooftop tent mattresses use a dual-layer system — a high-density foam base that holds its shape across seasons, topped with either an inflatable air bladder or a memory foam layer that lets you dial in the exact firmness you need. The result is a sleeping surface that can be adjusted for the person using it rather than the average of everyone who might.
What to Look for in a Rooftop Tent Mattress Upgrade
Not all aftermarket mattresses are created equal. These are the six features worth paying attention to when evaluating an upgrade for your setup.
Exact Fit for Your Tent
A mattress that doesn't precisely match your tent's floor plan will bunch, slide, and create pressure points. Always verify dimensions — width, length, and any tapered cuts around the ladder opening — against your specific tent model before purchasing.
Dual-Layer Construction
The best options use a foam base for structural support combined with an adjustable top layer — either inflatable or memory foam. This two-stage system gives you both durability and the ability to tune firmness based on conditions and personal preference.
Temperature Neutrality
An inflatable air bladder is particularly effective at eliminating cold spots — the air inside insulates against the tent floor and outside temperatures. Test data matters here: look for real-world reviews from people who've used the mattress in cold conditions, not just manufacturer claims.
Packed Height Impact
A thicker mattress raises the closed profile of your tent, affecting aerodynamics and potentially your vehicle's height clearance. Confirm that the mattress upgrade keeps your tent within its original packed height spec — or measure your own clearances carefully.
Washable, Durable Cover
Your mattress cover takes the same abuse as a camping sleeping bag — dirt, sweat, moisture, and UV. Look for covers that are fully removable and machine washable. Anything that can't be cleaned properly will degrade quickly in regular outdoor use.
Self-Inflation vs Manual
Some premium inflatable top layers are self-inflating — they expand automatically when the tent is opened and can be fine-tuned with a few breaths or a small cordless pump. This convenience matters more than you'd expect at the end of a long driving day when you just want to sleep.

The Honest Verdict
Five Years of Searching. One Night to Prove It.
I spent my first weekend on a quality aftermarket mattress and I can tell you with complete confidence — it was the best nights of sleep I've ever had in a rooftop tent. We slept through a night where the outside temperature dropped to around zero degrees Fahrenheit and I never felt a single cold spot. The air bladder let me tune the mattress to exactly what I needed, and the foam layer added the right amount of structure. I was blown away.
Stop Sleeping on the Problem — Literally
The point I'm trying to land is this: if you're going to invest serious money in a premium rooftop tent, the mattress deserves the same attention as the shell, the fabric, and the mounting hardware. Add the right mattress to your cart at the same time you purchase your tent — find out what the complete, upgraded experience actually feels like.
I will genuinely never spend another night on a standard foam mattress in a rooftop tent again. After five years of interrupted sleep and sore mornings on the trail, I'm finally resting the way I always imagined I would when I first bought into rooftop camping.
- Always buy a mattress sized exactly for your tent model
- Dual-layer systems outperform single foam in every condition
- Test in cold conditions — temperature neutrality is non-negotiable
- Check packed height impact before you upgrade
- A small cordless pump makes self-inflation mattresses even easier
- Washable covers are a must for year-round use
The Tent Gets You There. The Mattress Keeps You Coming Back.
Every great overlanding setup has one thing in common — the people inside it actually sleep well. The tent is the vehicle. The mattress is the destination. Get both right, and rooftop camping becomes the experience it was always meant to be.
Consider your travel style, your sleeping habits, and your budget — then find the tent and mattress combination that works for your body and your adventures. You'll know when you get it right. You'll sleep through the night, wake up ready, and wonder why you waited so long.
Start With the Right Tent
A great mattress upgrade starts with a great tent. The 23ZERO Walkabout is a large-format softshell built for groups and families who demand real comfort without compromising on build quality or all-weather reliability — the ideal foundation for a proper sleep setup.
23ZERO Walkabout 87" 2.0 — 6-Person Roof Top Tent
A spacious softshell rooftop tent with a generous floor plan, polycotton canvas construction, and a high-density foam mattress ready for an aftermarket upgrade. Built for serious adventurers who won't settle for another sore morning on the road.