Eve Wunderflip Memory Foam Mattress Reviews (2026)

We tested both sides over multiple weeks and ran the same checks we use in every mattress review from our How We Test Mattresses guide: support, cooling, pressure relief, motion isolation, responsiveness, edge support, and durability. I slept on each side long enough to compare alignment, pressure buildup, and ease of movement. Marcus focused on stomach-sleep support and heat retention, while Jenna and Ethan ran partner-movement and entry-and-exit drills. We also repeated edge-sit checks and timed how easily we could roll from back to side without feeling stuck.

The first thing we noticed was how firm the bed feels once it fully expanded. Even the more forgiving side felt flat and steady instead of plush. In our testing, the firmer side worked best for back sleeping because it kept my hips from dipping, while the extra-firm side gave Marcus better support through the midsection during stomach-sleep stretches. The tradeoff showed up when I moved to my side: my shoulder did not sink in much, and the foam took more effort to turn on than a springier mattress. Motion transfer stayed low when Jenna and Ethan changed positions, but overnight warmth still built up more than we wanted for hot sleepers.

• What we liked

  • Two clearly different firm feels in one mattress

  • Low partner disturbance when one sleeper moves

  • Stable support for back and stomach sleeping

• Who it is best for

  • Sleepers who already prefer firm or extra-firm beds

  • Couples who want a quieter sleep surface

  • Guest rooms where a firmer feel is easier to work with

• Where it falls short

  • Side sleepers who need more cushioning at the shoulders and hips

  • People who want faster, springier repositioning

  • Anyone who spends a lot of time sitting on the edge

• Mattress type: all-foam, flippable design with a zip-off comfort layer

• Comfort rating: firm / extra firm

• Height: 24 cm (about 9.5 inches)

• Cover: deep-quilted fabric treated with Purotex+; certified by Allergy UK; advertised to reduce dust mites by up to 96.6%

• Foam design: open-cell pressure-relieving memory foam advertised as 5× more breathable than standard memory foam, plus 5 drill zones

• Mobility: side handles

• Delivery: arrives vacuum-sealed at your door and is listed with free delivery

• Trial: 200 nights; returns are free within the first 40 nights, then return costs apply

• Warranty: 1-year clearance warranty for qualifying deliveries in Great Britain

• Sizes shown: Single, Small Double, Double, King, and Super King; availability varies

This mattress makes the most sense if you want a very firm all-foam bed and like having two firm options instead of relying on one vague “medium-firm” label. In our testing, it was strongest for back sleepers, stomach sleepers, couples bothered by motion, and guest rooms where a firmer feel is easier to work with. It is a harder sell for pressure-sensitive side sleepers, anyone who depends on sturdy sitting edges, or people who sleep hot.

If you want a similar flippable firm setup, the Plank Firm is the closest comparison. If cooling matters more than flip design, Cocoon by Sealy Chill is the better starting point.

The biggest limitation is pressure relief. Even the less firm side still feels firm, so lighter side sleepers may notice shoulder or hip pressure. The foam also feels sticky when you try to roll quickly, and the perimeter is not built like a reinforced sitting edge. The trial is easiest in the first 40 nights, and the clearance setup comes with a shorter warranty than many shoppers expect.

• Why choose this model

  • You want two firm feels in one mattress

  • You are sensitive to partner movement

  • You prefer stable, low-sink support for back and stomach sleeping

• Alternatives to consider

  • Saatva Classic: stronger edge support and easier movement from a spring-based feel

  • Plank Firm: the better fit if you specifically want an ultra-firm flippable mattress

  • Cocoon by Sealy Chill: worth a look if you want all-foam with more emphasis on cooling

• Give each side several nights before deciding. Your body can take a little time to adjust to a firmer surface.

• If shoulder pressure shows up, try a thin breathable topper before ruling the mattress out.

• Rotate the mattress periodically to help spread wear more evenly.

• Use a pillow height that matches the firm surface so your neck is not pushed too far up.

• Choose breathable sheets and a low-profile protector if you already sleep hot.

• Ask for help when flipping and use the handles instead of twisting the foam by yourself.

• Use a sturdy bed frame if you sit on the edge often.

Yes. It is not a soft-versus-plush change, but we noticed a clear difference between the firm side and the tighter extra-firm side.

Yes for couples who care about motion control. In our testing, movement stayed localized. The tradeoff is slower turning than on a springier hybrid.

Some side sleepers who already prefer a firm bed will do well, but pressure-sensitive shoulders and hips are the main sticking point, especially for lighter sleepers.

Better than many dense foams, but it can still get warm later in the night if you already sleep hot.