Havnby CloudCore Review: One Mattress, Four Teslas
The CloudCore covers the whole Tesla range with per-model variants, inflates itself in 70 seconds, and moonlights as a tent or guest bed. The broadest fit in the lineup.
Some links on this page are affiliate links. If you buy through them we may earn a commission at no extra cost to you. It never affects our ratings or which products we pick.
Havnby's catalogue is really one argument — a foam comfort layer beats plain air for sleeping in a car — made at three price points. The CloudCore is the accessible version of that argument, and the only mattress in our ranking with variants for every Tesla you can currently buy.
The range coverage
Model S, Model 3, Model X, Model Y — each with its own variant matched to the model and year, not a universal shape with instructions to make do. For S and X owners this effectively decides the purchase: nobody else in the field builds specifically for those cars. Model 3 owners have the Snuuzu's 18 cm version and TESMAT's offerings to weigh; S and X owners have the CloudCore.
The build
Like the FlatCore, the CloudCore is an air-foam hybrid with its own built-in pump — 70 seconds to inflate, 85 to deflate — with a foam layer over the air base that Havnby pitches, accurately, as reducing "bounce and air-only sag". It packs down for the trunk afterwards. Unlike the FlatCore there's no levelling profile: this is a flat mattress on a floor that isn't quite flat, and enough cushioning to make most sleepers stop caring.
The double life
Havnby's own positioning is broader than the car: tents, truck beds, flat platforms, guest duty. That's not marketing filler — a self-pumping mattress that fits a cargo floor is a good camping mattress, full stop, and it makes the $399 easier to justify if car camping is only part of your year.
The verdict in context
At $399, the CloudCore sits third in our Tesla mattress ranking — dependable comfort and the widest fit coverage in the field carry it, even without the FlatCore's party trick. Reframe the question as best mattress for a Model S or X, and it simply wins by default.
Full specifications
Havnby CloudCore Foam Mattress
Pros
- Variants across the entire Tesla range — S, 3, X and Y, by model year
- Foam comfort layer takes the bounce and sag out of the air base
- Built-in pump: 70 seconds up, 85 down, packed small for the trunk
- Also works in tents, truck beds and as a spare guest bed
Cons
- No slope compensation — that's what the FlatCore is for
- Air-hybrid means a pump and valve to mind, unlike solid foam
- Type
- Air-foam hybrid
- Pump
- Built-in, 70 s inflate
- Fits
- Model S, 3, X & Y
- Variants
- Per model and year
Save 10% with code AWD — verified July 2026
Frequently asked questions
- CloudCore or FlatCore for a Model Y?
- The FlatCore levels the folded seats' incline and costs $509; the CloudCore is a conventional flat mattress at $399. If you sleep on your back and settle easily, the CloudCore's cushioning masks most of the slope. Side sleepers and light sleepers tend to be the ones who find the incline worth paying to fix.
- Can I use the CloudCore outside the car?
- Yes — Havnby positions it for tents, truck beds and flat platforms as well as vehicles, and the self-contained pump makes that practical. It's the one mattress in our ranking that earns its keep between road trips as a guest bed.
About AWD Camper Team
We verify manufacturer specifications and prices, compare competing products and synthesize recurring owner experience. We do not claim hands-on testing we did not do.