LOSTHORIZON Truck Bed Camping Air Mattress with Foam — 4.5 Thick, Full-Size 5.5–5.8 ft

Designed for full size truck beds

Transform the back of your pickup into a comfortable sleeping space with a pad engineered to fit most full size 5.5 to 5.8 ft truck beds. This design works with the bed geometry to provide a stable, level surface that supports a restful night on the road or at the campsite.

Whether you are planning a weekend escape, a cross country drive, or a spontaneous overnight at a trailhead, this mattress helps you bring familiar comfort to a rugged outdoor setting. The compact form and thoughtful fit help you maximize your sleeping area without sacrificing usable cargo space.

Comfort that adapts to you

The 4.5 inch profile combines a 10 pound foam core with an air chamber to strike a balance between softness and support. The internal structure promotes even distribution of air and foam, reducing pressure points and helping you settle into a more natural sleeping posture. The result is a surface that can feel firmer or softer depending on how you adjust it, offering a personalized feel without relying on a single material alone.

Why this sleeping pad stands out

• Custom foam and air blend for a tailored softness and support
• Quiet, stable surface that minimizes movement noise
• Strong build with up to 440 pounds weight capacity for diverse sleepers
• Not recommended for backpacking; designed specifically for truck bed camping

Insulation and all season comfort

With four season insulation and an impressive R value of 13, this sleeping pad helps maintain warmth in cool conditions while remaining portable for trips. The 10 pound foam filling adds a soft, supportive feel under you, creating a dependable base for a good night’s sleep across varying climates.

Ease of use and flexible setup

Inflation is straightforward via a twist valve, allowing quick setup upon arrival. For faster inflation and deflation, an electric pump is available as an optional accessory. When you’re ready to pack up, the mattress folds down into a compact size for easier transport and storage.

Quality, warranty, and brand focus

LOST HORIZON prioritizes the consumer experience and outdoor-ready performance. This product includes a 1 year warranty, with responsive support if you have questions or run into issues, reinforcing a reliable ally for your outdoor adventures.