














FlatCore Hybrid Support Mattress for Tesla Model Y
Havnby FlatCore for Tesla Model Y is a trunk-leveling car camping mattress designed for Tesla Model Y, creating a flatter, more comfortable sleep space for road trips, camping, and overnight stays.
Vehicle-Specific Fit: Designed for the Tesla Model Y cargo area.
Trunk-Leveling Support: Helps reduce rear-seat slope for a flatter car bed.
Foam Comfort: Stable cushioning for overnight car camping.
Fast Inflation: Inflates in 80 seconds and deflates in 90 seconds with a built-in 12V ABS air pump.
Easy Storage: Packs into the included storage bag after use.
Road Trip Ready: Ideal for SUV camping, EV camping, and weekend getaways.

0°
Level Sleep Surface
FlatCore helps turn sloped folded seats into a level sleep surface, correcting vehicle-seat angles that can reach up to 12°.
7.5"
Real Mattress Feel
High-density foam adds the kind of steady support thin air pads cannot give. Less sag, less wobble, more sleep-after-the-drive comfort.
80s
Ready to Rest
The built-in pump inflates FlatCore in 80 seconds. No loose pump. No slow setup. Just park, inflate, and rest.

The floor isn’t flat. This is.

Quiet against skin. Tough enough for camp.

Support you can sleep on.

No extra pump. No extra step.

Packs down before the rest of camp goes in.

Camp Mode keeps the air right. FlatCore fixes the ground.
|
Havnby FlatCore
|
Outdoor Car Mattress
|
Brand-Made Mattress
|
Other Camp Pads
|
|
|---|---|---|---|---|
| Vehicle Fit | ✓ | ✓ | ✓ | × |
| Sleep Flat | ✓ | × | × | × |
| Thickness | > 6.5" | ~4" | ~3" | 2"-4" |
| Material | Odor-free TPU | Oxford+TPU base | Polyester exterior | × |
| Side Sleeper Friendly | ✓ | Adjustable firmness only | × | × |
| Setup Time | < 100 sec, built-in pump | External pump | External pump | Self-Inflates & AirRollBag |
| Packed Size | Gym bag | Big carry bag | Fits sub-trunk | Bulky |
| Leak & Puncture Resistant | ✓ | ✓ | ✓ | × |
What real owners are saying
Jessica M., Mom of Two · Austin, TX
Road Trip Essential
“Perfect for long road trips. It inflates quickly, fits my SUV well, and gives the kids a comfortable place to rest during stops.”
Ryan K., Weekend Camper · Denver, CO
Comfort That Lasts Overnight
“Surprisingly comfortable for a car mattress. The material feels durable, and it stayed inflated overnight with no issues.”
Amanda L., Frequent Road Tripper · Portland, OR
Great for Camping & Travel
“Easy to set up, easy to pack away, and much better than trying to nap in a regular car seat.”


