Havnby rear-seat mattress and separate footwell extension shown assembled on a white background.
Light-colored Havnby rear-seat mattress with extension cushions and a pillow inside a red pickup truck.
Havnby rear-seat mattress and pillow installed in a pickup truck, viewed through the open rear door.
Dog in the foreground with a person reclining on a pickup truck rear-seat mattress behind it.
Person resting on a pickup truck rear-seat mattress beside a lake, with an extension filling the space behind the front seat.
Pickup truck rear-seat mattress with a pillow and blanket at a gas station at night.
Person resting on a light-colored Havnby mattress across a pickup truck’s rear seats beside a lake.
Easy setup of Havnby backseat mattress with built-in pump for instant comfort.
Hybrid design of Air+Foam and TPU extension pad for comfort and support

SnugNest Truck Sleep System

Combines a mattress and extension pad for more cab sleeping space.

Sale price$439.20
Select Brand: Chevrolet

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Select Model: Silverado 5500HD

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Select Pad Size: 1 Pad

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60-Day Sleep Trial
3-Year Warranty

We designed SnugNest as a two-piece system that turns your truck’s rear cabin into a larger bed. The mattress covers the back seat while the support pad extends into the front passenger area, creating up to 6'3" of diagonal sleeping space for road-trip stops, work breaks and weekends outdoors.

More room to lie down: The mattress and support pad work together to extend the bed beyond the rear bench.

Cushioning with support: Foam adds comfort while adjustable air lets you find your preferred firmness.

Room for your dog: Settle in together when it’s time for a break.

Keep the truck bed available: Rest inside the cab while your tools and outdoor gear stay in the bed.

Easy to pack away: Deflate and store the system when you need the cabin back.

1 Sleep System ≈ 2–3 Hotel Nights Near A National Park

A SnugNest mattress and extension pad work together to create a wider, supported sleep setup across the truck cab.

Core Design Details

Key Features

Turn your truck’s back seat into a real rest spot.

Gaps, angles, nothing sitting right. SnugNest goes on top of what's already there and levels it out. No tools, no setup, no figuring it out in the dark.

Stretch out and actually rest between drives.

Not propped up at an angle. Not making do with what you had. Fully reclined, fully supported, actually resting. The kind of sleep that makes the next stretch of road feel possible.

Soft, quiet, and odor-free comfort for the road.

No plastic crinkle. No pool toy smell. Soft-touch TPU that feels like it was built to be used, not just sold. The kind of thing you throw in the truck and forget about until you actually need it.

For kids, dogs, and road-trip breaks.

Whatever the stop calls for, the back seat is ready. Soft enough for the little ones, wide enough for the dog, comfortable enough to actually stay a while. No more making do with a folded jacket and a reclined seat.

Expert Reviews

Size On

Dimension diagram of the Havnby SnugNest 155 rear-seat mattress and support sections.

PACKED SIZE

11.8" × 15.7" × 19.7"

Specifications

Fit
Ford F-150, Chevy Silverado, GMC Sierra, and more
System type
Truck back-seat sleep system
Mattress format
155 cm SnugNest format
Storage size
11.8" x 15.7" x 19.7" / 300 x 400 x 500 mm
Inflation time
70 seconds
Battery life
Up to 6 inflate / deflate cycles

What real owners are saying

Ali

2025 Toyota RAV4 XLE Owner

"Setup took two minutes, pump included, module charges over USB-C. Fit the RAV4 perfectly with no platform needed, and slept two of us by the lake like a real mattress."

Person reclining on a light-colored Havnby mattress in the cargo area of a Toyota RAV4.

David L.

2022 Toyota RAV4 Owner

"Took the whole family camping in the RAV4 for the first time. Kids were asleep before we finished making dinner, and nobody complained about the ground once."

Jordan M.

2023 Tesla Model Y Owner

"Fits the load floor perfectly, no gaps, no sliding. Woke up in the Sierras on Sunday feeling more rested than I expected from a car."

Mike B.

2020 Ford F-150 Owner

"Twelve hour shifts two hours from any job site. Now I lay the seats down, sleep in the truck, and I am back at it in the morning without the drive home."

Ingrid S.

2024 Model 3 Owner

"Drove through Jotunheimen after a week with no plans. The fit was exact, and the material held up through four nights without any issues."

Life with Havnby

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