Mutsault Small Double 4FT Hybrid Pocket Sprung Mattress (Memory Foam & Bamboo Fibre Cover) – 5-zone medium firm, 22cm deep, 120 x 190 cm
Product description
If you’re trying to sort out back comfort without moving up to a full-on luxury mattress, this Mutsault small double hybrid is built around a clear idea: pocket spring support plus memory foam, with an orthopaedic-style 5-zone layout. On paper it’s aiming for a medium-firm feel that supports you while still taking the edge off pressure.
At the same time, it’s not just about feel. The cover and foam layers are designed with airflow and temperature in mind, and it includes trial support if you’d rather test it at home than gamble.
The essentials
This is a 4ft small double mattress (120 x 190 cm) with a hybrid build: an independent pocket sprung base paired with high-density memory foam layers. The top is described as deep-quilted, and the mattress uses a 5-zone pocket sprung system intended to provide more targeted support from head to toe and help with spinal alignment.
The comfort profile is positioned as medium firm. That matters because it’s often the difference between a mattress that feels supportive but still “gives” a little, versus one that’s either too soft (which can encourage sinking) or too hard (which can feel unforgiving on the shoulders and hips). Here, the pitch is that you get bounce and support without dropping too far into the bed.

One more detail worth noting: it arrives vacuum-sealed and rolled, and you should allow 48–72 hours for full expansion. That’s pretty standard for rolled mattresses, but it’s still something to plan around if you need it ready quickly.
What you’ll notice day to day
The 5-zone approach and medium-firm build are the headline, especially if you’re spending long stretches in bed and want your spine to stay more aligned. In practice, this kind of setup tends to work best when it offers support under the heavier parts of your body (like hips) while contouring enough to reduce “hot spots”. If you’re the sort of person who wakes up with aches around the lower back, the deeper-quilted top and zoning are the features you’d be looking to.
There’s also a clear attempt to address overheating. Bamboo fibre in the cover and the pocket sprung system are both mentioned as helping airflow to dissipate heat. On top of that, the foam layers include gel memory foam described as temperature-regulating, and the mattress also includes bamboo charcoal memory foam layers.
That said, it’s not perfect for every sleeper: if you strongly prefer a very soft “hug” feel, a medium-firm hybrid may feel a bit too structured. And if you’re very lightweight, you may not get the same level of deep contouring that others report from memory foam layers.



Cooling and freshness approach (what’s actually claimed)
This mattress includes a bamboo fibre cover designed to promote breathability. The construction also aims to move air through the pocket spring system rather than trapping warmth.
For freshness, the description points to charcoal memory foam that neutralises odours and resists microbes. It’s a sensible combination if you want a bed that doesn’t just feel comfortable on day one, but also feels manageable over time.
One point to keep in mind: the build is described in terms of airflow and temperature support, but how “cool” a mattress feels can depend quite a lot on your room temperature, bedding, and your own sleep habits.
Support and edge holding

A practical perk for many people is edge support. This mattress is described as having reinforced edge support with three rows of high-gauge coils along the perimeter, designed to prevent sagging.
If you regularly sit on the edge to put on socks or you tend to sleep close to the side, better edge stability usually means less of that sink-and-roll feeling. The listing also describes “no rolling-off” sensation near the edge, which is exactly the sort of detail you notice immediately in day-to-day use.
Key takeaways on comfort and fit
It suits buyers who want a supportive hybrid that leans medium firm, with a 5-zone orthopaedic-style approach for back comfort. It’s also worth considering if you’re looking for memory foam comfort but don’t want to feel like you’re sinking deeply.
It may not be the best match if you’re after a very plush, slow-melting mattress feel, or if you specifically need a different firmness level to match your body weight and sleeping position.



The product is designed as a small double (4ft), so the space is smaller than a full double or king. If you share the bed and you like to sprawl, you may still feel a pinch on movement.
Care, trial and delivery practicalities
The mattress is delivered vacuum-sealed and rolled for easier handling. As mentioned, you should allow 48–72 hours for full expansion.
There’s also a 365-night trial with hassle-free returns, and the support team is said to respond within 24 hours if you have questions. That’s particularly useful for mattresses, where your comfort can be a slow-burn decision once you’re sleeping on it nightly.
Tech specs

- Type: Hybrid pocket sprung mattress with memory foam
- Cover: Bamboo fibre cover
- Depth: 22cm deep
- Size: 120 x 190 cm (Small Double / 4ft)
- Support system: 5-zone orthopaedic support (pocket sprung)
- Firmness feel: Medium firm
FAQs
Is this mattress good for back pain?
It’s positioned for orthopaedic support and includes a deep-quilted top plus a 5-zone pocket sprung system described for head-to-toe support and spinal alignment. If your back pain is pressure-related, the design intent is clearly aimed at that. That said, comfort is individual, so it’s worth using the trial period to judge fit.
Will it be too hot in summer?



The bamboo fibre cover, pocket spring airflow, and gel memory foam layers are all described as helping to dissipate heat. Still, “cool” is relative, so your bedding and room temperature will matter.
How long does it take to expand after delivery?
The listing asks you to allow 48–72 hours for full expansion.
Does it support you near the edge?
The perimeter is described as reinforced with three rows of high-gauge coils, aimed at reducing sagging and improving stability when sitting or sleeping near the edge.
Is it certified for safer foam?
The description states the foam is CertiPUR certified. If foam certification is important to you, this is one of the clear points to check.
Final verdict
You should buy it if you want a medium-firm hybrid small double that combines pocket spring support with memory foam comfort, and you specifically like the idea of a 5-zone layout for back support. It also makes sense if temperature control and edge stability are high on your list, and you’d rather test at home with a 365-night trial.
You may want to skip it if you’re chasing a noticeably softer, deeper-sinking feel, or if you know you’re sensitive to how firm a mattress feels for your usual sleeping position. For anyone on a strict timeframe, factor in the 48–72 hour expansion window before you expect it to feel “fully ready”.
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