CBAEC-RSN Double Mattress 4FT6: 10 inch gel memory foam, 7-zone pocket springs (medium plush/medium firm)

The essentials

This CBAEC-RSN double mattress is a hybrid-style build that aims to combine the pressure relief people expect from memory foam with the response and support of pocket springs. On paper, it’s positioned as a medium-plush to medium-firm option with “7 zone” support, plus a gel-infused top layer designed to help with temperature feel.

If you share a bed, the motion isolation claim is likely the biggest “day-to-day” draw. Instead of springs transferring every movement across the mattress, the independent pocket spring setup is meant to absorb the noise and vibration when your partner turns over.

One practical thing to get right: like most “mattress in a box” foams, it needs time to fully expand. You’ll want to factor in 24–72 hours after unboxing before you judge the feel properly (especially if your room is on the cooler side).

It’s not a mattress that’s guaranteed to suit everyone’s preferences—medium feels can still vary from person to person—but it does look like a sensible pick if you want a balanced sleep surface rather than something very soft or very hard.

What it’s made for

This mattress is described as a 10 inch gel memory foam hybrid with independent bagged pocket springs underneath. The idea is straightforward: you get a foam comfort layer on top, with spring support below so the mattress doesn’t feel like it’s sinking into a single material.

The included details you can take seriously for everyday use are: - “7 zone” orthopaedic-style support positioning (as stated) - gel-infused memory foam for cooling support - an “egg box” designed foam layer for airflow - motion isolation through independent pocket springs

For a micro example of what that means in real life: imagine you go to bed, your partner rolls over and sits up briefly. With this type of construction, you should ideally notice less rippling or bouncing at your side compared with more basic spring mattresses—useful if you’re a light sleeper or tend to wake when someone changes position.

Key features that actually matter

Where this mattress stands out is the layered build, because the comfort and support experience comes from how those layers work together.

It uses a 5-layer full foam system, alongside independent packaging spring layers and a breathable knit “mask” mentioned in the base description. The top gel-infused memory foam is there for comfort and temperature feel, while the egg-box foam layer is aimed at airflow across the sleep surface.

The cover is described as rayon fabric, described as skin-friendly and soft to touch. There’s also a claim that the mattress cover improves breathability by 30%—again, you should treat that as a stated figure rather than a promise you can measure at home, but it does align with the overall “cooler, more breathable” direction.

On the support side, the mattress is labelled medium plush with a medium firm feel and comes with a 10-year support/warranty offer. It may not be for people who want a very firm, minimal give surface, but it looks designed for those who want a bit of cushioning without losing structure.

Comfort and feel: where you might need to be careful

The biggest limitation is that the exact feel can be personal, and the wording here is mixed: “medium plush feel” with “medium firm” support, plus 7-zone orthopaedic style. That usually means it won’t feel like a single-note softness.

You may want to skip it if you strongly prefer a very soft “cloud” mattress, because medium-firm generally won’t collapse in the same way. On the other hand, if you’re a firm-feel sleeper, it could feel too forgiving—especially around the shoulder and hip zones where foam comfort layers do their job.

Also, allow time for expansion. It can take longer to regain its full shape in colder temperatures, and initial impressions right out of the box can be misleading.

Tech specs (quick overview)

• Type: Hybrid mattress with gel memory foam and pocket springs
• Format: Mattress in a box (expansion required)
• Support zones: 7 zone (as stated)
• Feel: Medium plush / medium firm (as stated)
• Thickness: 10 inch
• Size: Double
• Dimensions: 135 x 190 x 25 cm (as stated)
• Certifications: CertiPUR US and Oeko-Tex Standard 100 (as stated)
• Warranty: 10-year warranty (as stated)
• Cover material: Rayon fabric (as stated)

Care, expansion time and what to check before buying

Before you commit, it’s worth thinking about the practicalities that come with memory foam hybrids:

• Expansion window: plan for 24–72 hours after unboxing. Warm rooms tend to help foams expand faster, colder rooms can delay it.
• Judge the feel after expansion, not immediately.
• If you have strong preferences for firmness, treat “medium plush/medium firm” as a starting point—what feels balanced on paper can still be slightly too soft or too firm for you.

The certifications mentioned (CertiPUR US and Oeko-Tex Standard 100) suggest attention to material standards, which is reassuring if you’re specific about what your sleep environment contains.

Is it worth it?

This mattress makes sense if you’re after a double bed option that combines gel memory foam comfort with pocket-spring support, and you care about motion isolation—particularly if you share the bed and wake up easily when your partner moves.

It’s not the best match if you want a clearly firm mattress with minimal give, or if you’re expecting instant “full feel” immediately after delivery (the expansion period is part of the deal here).

Overall, it sits in the “practical comfort” lane: a medium-leaning hybrid aimed at breathable sleep, with a 10-year warranty backing the long-term promise.

Mini FAQ

How long does it take to fully expand after delivery?

The guidance provided is 24–72 hours to regain full shape, and it can take longer in colder temperatures.

Is it designed to reduce partner movement?

It’s described as having motion isolation thanks to independent pocket springs and high-density foam intended to absorb noise and vibration from turning.

Does it stay cool at night?

The top layer is gel-infused memory foam, and there’s also an airflow-focused egg-box foam layer plus a breathable cover—these are intended to help with temperature feel, though personal results vary.

What certifications does it have?

The description states CertiPUR US and Oeko-Tex Standard 100 certification.

What cover material is used?

The cover is described as skin-friendly rayon fabric.