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Review · Outdoors & sports

Exped MegaMat Duo review

A two-person self-inflating mattress with 4 inches of cored foam and a Top-Up Pump.

By the HearSmart research desk · Updated November 11, 2026

Performance (40%)
8.9
Ease of use (25%)
8.0
Value (35%)
7.8

The MegaMat Duo is Exped's two-person version of its long-running MegaMat, and its main advantage for car campers is one continuous sleeping surface, with no seam between two pads. It is 4 inches of open-cell polyurethane foam with horizontal air channels, and Duo models now have 30% more foam coring for faster deflation, lower weight and a smaller packed size. Exped describes the feel as soft and pressure-relieving, a good fit for back and side sleepers, and you can firm it up with the included Top-Up Pump or let air out through the one-way valve. The 3D vertical sidewalls keep the edges full height, and two welded handles help when moving it in and out of a vehicle or rooftop tent. Exped USA lists LW+ and Queen sizes at $399.95, though several variants were sold out or low stock when we checked, and the product page we read did not state an R-value.

Who it is for

Couples in rooftop tents and big SUVs

Price

$399.95 for the LW+ or Queen size when checked.

MEGAMAT DUO 4.9 (21) Write a review Regular price $399.95
Quoted from the vendor pricing page on November 11, 2026.

Key features

  • 4-inch mattress height of open-cell polyurethane foam
  • Sleeps up to 2 people; LW+ and Queen sizes
  • Included Top-Up Pump for adding air
  • 3D vertical sidewalls that reduce tapering at the edges
  • 2 welded side handles and a recycled 4-way stretch tricot top

Strengths and weaknesses

  • Strength: One wide surface for two, with no gap between pads
  • Strength: Duo models have 30% more foam coring for faster deflation and a smaller pack
  • Strength: Exped USA runs in-house gear repair
  • Weakness: Some colors and sizes were sold out or low stock when we checked
  • Weakness: Exped's product page does not list an R-value
  • Weakness: $399.95 is more than two single pads from some brands

Key facts

  • Price: $399.95
  • Thickness: 4 in
  • Sleepers: 2
  • Sizes: LW+, Queen
  • Pump: Top-Up Pump included

Where it ranks

Exped MegaMat Duo is No. 7 in our Best Car Camping Mattresses verdict and No. 4 in Best Self-Inflating Camping Mattresses.

Alternatives we scored

Visit expedusa.com · Questions or corrections: editorial@hearsmart.org