CloudCore Diagonal Mattress for Truck

Designed for sleeping well, whether you're in your car or under the stars.

Sale price$379.004.7
1 Mattress ≈ 2–3 nights at a national park hotel
Bring your own comfort — and skip the cost of peak-season stays.
Home mattress support feeling
Works in trunks & tents
Safe & soft TPU material
60-night sleep trial
Inflates fast, packs down easily
Ideal for road trips & camping




Man stretched out on Havnby truck mattress showing extra length.

Stretch Out & Truly Rest

79-inch diagonal design, 20% longer. Even tall sleepers can fully stretch out.

Cross-section of Havnby 4-inch foam mattress showing thick support.

Home-Like Foam Comfort

4-inch pure foam core—supportive, soft, no back pain.

Built-in pump inflating Havnby mattress with battery power.

Fast Setup, Long Battery

Built-in pump inflates in 35s. 3000mAh battery lasts 14 cycles.

Havnby CloudCore
Havnby CloudCore
Outdoor Car Mattress
Outdoor Car Mattress
Brand-Made Mattress
Brand-Made Mattress
Other Camp Pads
Vehicle Fit ×
Sleep Flat × × ×
Thickness ~4" ~3" 2"-4"
Material Oxford+TPU base Polyester exterior ×
Side Sleeper Friendly Adjustable firmness only × ×
Setup Time External pump External pump Self-Inflates & AirRollBag
Packed Size 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.”