wowttrelax Single Memory Foam Mattress (13cm) with Gel Memory Foam Top Layer and Washable Cover, 90x190x13cm

The essentials

If you’re looking for a single mattress that leans into contouring comfort, this wowttrelax memory foam model is built around a two-layer foam setup: a gel memory foam top layer and a high-density support layer. It’s aimed at people who want pressure relief from the upper comfort layer, but still prefer a medium-firm feel for day-to-day support.

On paper, the pitch is pretty clear: the memory foam should adapt to your body shape, while the thicker support foam helps keep you aligned and spreads your weight more evenly. It’s also supplied with a removable cover that’s described as machine washable, which is one of those “simple but useful” features that matters once the mattress is actually in use.

Key features that affect comfort

The comfort system is where this mattress tries to earn its place. The top layer is described as 4cm gel memory foam, designed to fit closely while aiming to relieve pressure points. Memory foam of this style tends to feel more “hugging” than springy, and that’s exactly what many side sleepers and combination sleepers tend to look for when they’re chasing less pressure on hips and shoulders.

Supporting that is an 11cm high-density foam layer. The brand states it uses a breathable, hollow-core style technology (described with six-sided hollow technology and “3D air fibre”). Again, that’s the kind of thing you notice indirectly: less of a trapped-heat feel than you might expect from cheaper solid foam designs.

One more practical detail is the removable cover being machine washable. That won’t change how the mattress supports you, but it can make ongoing ownership easier, especially if you’re dealing with everyday spills, odours, or just general household life.

What you’ll notice day to day (and where it might fall short)

With a memory foam mattress like this, the first thing you’ll likely notice is how it conforms when you lie down. The brand even mentions “floating” wording, but realistically, you can expect a slow, moulding feel compared with traditional innerspring. If you’re someone who hates that “stuck in the foam” sensation, you may find this type of mattress a bit too body-contouring.

The feel is described as medium firm. That’s a sensible middle ground, but it also means it may not satisfy everyone in either direction. It may not feel supportive enough if you specifically need a very firm, posture-focused support from the very surface, likewise, if you’re after a deep, plush hotel-like sink-in, a medium-firm memory foam build could feel slightly restrained.

Also worth bearing in mind: the description talks about good performance for different sleep positions (side, back, and stomach), but it’s always worth being cautious with stomach sleeping on memory foam. Depending on your body shape and preferences, some people still find they need extra support under the hips to keep alignment comfortable.

Who it suits (and who should think twice)

It’s a good fit if you want an all-foam mattress with a gel memory foam top layer, aiming for pressure relief and a medium-firm balance. It also makes sense if you sleep in a single bed setup and care about having a washable cover rather than relying on spot-cleaning forever.

It may not be a great match if you’re expecting a very springy feel, or if you strongly prefer a quick-response mattress that doesn’t mould around you. It could also feel like overkill if you mainly want something basic and firm for short-term guest use.

A practical example: imagine lying down after a long day—on a foam mattress like this, your shoulders and hips should sink a little more, while the support layer helps prevent you from bottoming out. That pressure relief effect is usually the main reason people stick with memory foam long-term.

The essentials on setup and care

The mattress is described as vacuum-compressed for delivery. After unboxing, you’re told to wait 48–72 hours for it to fully unfold. That’s pretty standard for compressed foam mattresses, but it’s still a good idea to plan around it so you’re not trying to sleep on it the day it arrives.

Because the cover is removable and machine washable (as described), you’ll want to treat the mattress like a long-term home item rather than something you only clean occasionally. Just be mindful that not all mattress covers are equal in how easy they are to take off and put back correctly, so it’s worth checking how the cover fits once it arrives.

Buying verdict

Is it worth it?

This wowttrelax single memory foam mattress looks like a decent “comfortable, pressure-relieving, medium-firm” bet within the all-foam category. The two-layer construction (gel memory foam top plus high-density support layer) is the main reason it could work well for everyday sleepers who want contouring without going fully soft.

You should consider buying it if you specifically value the idea of gel memory foam on top, want a washable cover for easier maintenance, and you’re comfortable with the slower moulding feel typical of memory foam.

Better avoided if you want a bouncy mattress, you dislike the way memory foam holds your body shape, or you’re seeking a very firm surface for strict support. In those cases, it may end up feeling more like a comfort-first foam mattress than the “no-nonsense” option you had in mind.

Quick FAQ

Is the cover washable?

Yes. The cover is described as removable and machine washable.

How long does it take to expand after delivery?

The brand states you should wait 48–72 hours for the mattress to fully unfold after opening the package.

What firmness level is it?

It’s described as medium firm.

Is it suitable for different sleep positions?

The description says it’s designed for side, back, and stomach sleepers, though individual comfort will vary.

What does the gel memory foam layer do?

The top layer is described as gel memory foam designed to fit well and relieve pressure while adapting to your contours.