Advanced Back Support Plus 12" Responsive Foam Mattress Reviews (2026)

Yes—if firm lumbar support matters more to you than a deep foam hug. The Novaform earns a 4.0/5 because its zoned middle keeps the hips from dropping, its responsive top makes turning easy, and its edge feels unusually steady for an all-foam mattress at this price. The same firmness that makes it effective for back and stomach sleepers also creates its main drawback: there is not much room for a shoulder or hip to settle during side sleeping.

• Buy it if: You sleep mostly on your back or stomach, want a flatter and more supported midsection, or prefer foam that responds quickly instead of holding you in place.

• Skip it if: You are a lightweight or pressure-sensitive side sleeper, want a plush surface, or wake easily when a partner makes a sharp movement.

The mattress testing process combined a week of nightly sleep with daytime position checks, partner-movement drills, edge sits, and repeated roll-on and roll-off tests. We scored support, cooling, pressure relief, motion isolation, responsiveness, edge support, and short-term durability on the same 5-point scale. Because this model is built around a firmer center, we paid particular attention to hip height, lower-back contact, and whether the zoned lift remained noticeable after the foam warmed and loosened.

The mattress measured close to its stated 12-inch height after expansion and felt like a 7.8 out of 10 for firmness. A 44-pound load sank about 1.25 inches outside the center zone but only 0.85 inch over the firmer lumbar area, a difference we could also feel while lying down. On my back, my hips stayed nearly level with my torso rather than settling below it. Marcus had a similar result on his stomach and did not need to brace with his arms when turning.

Mia had the opposite experience on her side. Her shoulder stayed closer to the surface, and she changed position several times to reduce pressure. The foam recovered to roughly 90% of its original height in 1.4 seconds after the load was removed, which matches the easy repositioning we noticed. After 30 minutes, the surface warmed by 6.1°F—reasonable for dense foam, but not especially cool.

Jenna and Ethan's get-in and get-out drill showed the difference between broad and abrupt movement. The foam quieted slow shifts, but quicker turns remained easy to detect across the bed. At the edge, the same load compressed the perimeter by about 2.2 inches versus 1.7 inches in the center. That small gap explains why sitting and near-edge sleeping felt controlled without making the edge seem rigid.

• What we liked

  • The firmer center kept the hips from dropping during back and stomach sleeping.

  • Fast foam recovery made turning and getting up easier.

  • The perimeter stayed stable enough for sitting and near-edge sleep.

• Who it is best for

  • Back sleepers who want pronounced lumbar support and little hip sink.

  • Stomach sleepers who need a firmer surface to hold the pelvis level.

  • Anyone who wants the ease of movement of a responsive mattress without coils.

• Where it falls short

  • Pressure-sensitive side sleepers may feel too much resistance at the shoulder and hip.

  • Light sleepers may notice a restless partner's sharper position changes.

  • People who want a plush, close-contouring comfort layer will find it too flat.

• Price: listed by Novaform from $399.99; Costco pricing varies by size and promotion

• Thickness: 12 inches

• Firmness: firm, with a more supportive zone through the middle

• Mattress type: all-foam memory foam

• Construction: triple-layer design with responsive LURAcor foam, zoned memory foam, and durable base foam

• Cover: breathable knit with antimicrobial product protection

• Fiberglass: mattress and cover are fiberglass-free

• Certification: CertiPUR-US certified foam

• Origin: foam made in the USA

• Warranty: 20-year limited warranty

• Delivery and setup: compressed in a box; full expansion may take up to 48 hours

• Compatibility: platform beds, box springs, and adjustable bases

• Returns: Costco.com purchases can generally be returned at Costco warehouses, subject to Costco's policy and exceptions

Start with your usual position and your tolerance for firmness. Back sleepers who carry more weight through the hips should appreciate the center lift, while stomach sleepers gain a surface that resists pelvic sink. Combination sleepers can also benefit from the quick response. Side sleepers need more caution: heavier sleepers or people who already like firm beds may be comfortable, but lighter sleepers and anyone with sensitive shoulders or hips should choose a mattress with more surface cushioning.

If you want a gentler all-foam feel, the Leesa Original offers more balanced contouring, while the Nectar Premier Memory Foam adds a thicker pressure-relief layer and a cooler-touch cover. Hot sleepers willing to spend substantially more can consider the Casper Snow, a medium cooling hybrid with coils and phase-change materials. Those are comfort or cooling upgrades, not direct price matches.

This mattress solves a specific problem rather than trying to please every sleeper. Its lifted, level feel supports the midsection well, but it leaves limited room for the shoulder and hip to settle. That makes it a poor match for many lightweight side sleepers and anyone who associates memory foam with deep contouring. Couples should also weigh its strong edge and easy movement against only moderate isolation of sharper motion.

Casper Cooling Select 12" Memory Foam Mattress: This Costco model is the closest like-for-like alternative. It has a medium feel, four foam layers, a cooling knit cover, and zoned support. Choose it if the Novaform's center lift sounds useful but its overall firmness worries you.

Novaform SoFresh Plus 10" Responsive Foam Mattress: The SoFresh stays in the same value-focused family but feels more balanced and uses a removable moisture-wicking cover. It is a better fit for shoppers who want responsive foam without the Advanced Back Support Plus model's pronounced lumbar zone.

Leesa Original Mattress: The Leesa costs more but offers a medium, more contouring all-foam feel. It is the better move for side sleepers who need shoulder and hip cushioning without the very slow response of traditional memory foam.

Nectar Premier Memory Foam Mattress: The Nectar is a taller, more expensive all-foam option with more pressure-relieving memory foam and a cooler-touch cover. It favors people who want a deeper cradle and stronger motion damping.

Casper Snow Mattress: The Snow is a substantial price jump and changes the construction to a cooling hybrid. Its coils, phase-change material, and medium feel make more sense for hot sleepers who want airflow and cushioning rather than a flat, firm foam surface.

TEMPUR-Adapt Mattress: TEMPUR-Adapt is the premium choice for closer contouring and stronger motion control. It is far outside the Novaform's price tier, so the upgrade only makes sense if pressure relief and partner isolation justify the added cost.

Saatva Classic Mattress: The Saatva Classic uses a Euro top and dual-coil design, giving it more bounce, airflow, and firmness choices. It is a luxury innerspring alternative for shoppers who want strong lumbar support without an all-foam feel.

• Give the foam at least a week of nightly use before deciding whether the pressure relief works for you.

• If you sleep on your side, adjust your pillow height so your neck stays level on the firmer surface.

• Use a breathable protector so the foam does not hold more heat than necessary.

• For extra shoulder cushioning, try a thin soft topper before replacing the mattress.

• Follow Novaform's and the base maker's support and slat-spacing requirements.

• Rotate the mattress from head to foot periodically to spread wear.

• Judge motion isolation with realistic triggers such as getting into bed and changing position.

• If you sit on the edge daily, vary the spot instead of loading the same area every morning.

• Allow up to 48 hours for full expansion before comparing its height or firmness with another mattress.

No. It feels firmer and more responsive than slow-moving memory foam. The surface regains its shape quickly, so turning takes less effort and you remain closer to the top of the mattress.

Yes, especially for back sleeping. The firmer middle zone limits hip sink and keeps the torso more level. Stomach sleepers who struggle with a dipping pelvis should also benefit.

The stable edge and responsive surface make it easy for two people to use the full bed. Slow movement fades reasonably well, but quick turns and abrupt exits travel more than they do on softer, slower foam.

Some heavier side sleepers and people who already enjoy firm beds may. Lightweight sleepers and anyone with sensitive shoulders or hips are more likely to need a softer comfort layer.