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Relyon Superior Comfort Slim Latex Pillow Review

TSA reviewer Connie Hack

Written By Filip

Sleep Advisor

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How We Test

Our testing process

Featured image of Relyon Superior Comfort Slim Latex pillow.

8 November 2023 7 min read

Relyon Superior Comfort Slim Latex pillow has been designed to offer the perfect balance of comfort and support. It is made from natural latex which is both durable and breathable, but is it worth the price tag? The Sleep Advisors have put this pillow to the test to see if it's really worth it, so if you're interested in finding out whether this pillow lives up to the hype – here's our in-depth Relyon Superior Comfort Slim Latex pillow review.


An icon depicting a firm & supportive surface indicating support & firmness
Great neck, shoulder & head support
Due to its shape retaining, it is an ideal pick for neck or shoulder pain treatment.
an icon depicting a removable cover
Removable cover
Remove the cotton cover nad wash it.
An icon depicting a leaf indicating hypoallergenic properties
Hypoallergenic & breathable
Latex is naturally breathable & hypoallergenic.


An icon depicting a stomach sleeper, illustrating product is not stomach sleeper friendly
Not for stomach sleepers
Almost all stomach sleepers will find it too tall.
An icon depicting a ruler indicating lack of different sizes & dimensions
Not that slim
Though advertised as slim, it is not that slim in fact.

Who is Superior Comfort Slim Latex pillow for?

At the first glance, this high loft pillow looks like it would be great for side sleepers as it is quite thick. However, simply judging the pillow based on its loft is not what we do here at the Sleep Advisors headquarters.

After extensive and detailed testing, we've concluded that the Superior Comfort is for:

Is Superior Comfort Slim Latex pillow an upgraded version of a previous Dunlopillo Serenity Deluxe pillow?

Relyon and Dunlopillo were formerly part of the same group, and have since gone their separate ways. Relyon has retained the rights to produce the popular pillow from back in the day, using the same specs and latex produced by Dunlopillo. In other words, the Superior Comfort Pillow is the very same product as Dunlopillo Pillows Serenity Deluxe; only a different brand name is used.

Features you should know about Superior Comfort Slim Latex pillow

Latex pillows are becoming increasingly popular as people learn more about the benefits of latex. So, what makes this one most popular?

100% breathable latex

Natural latex is known for being both comfortable and breathable. This pillow features a 100% natural latex core which makes it perfect for hot sleepers as it doesn't retain heat.

In this case, we have a solid, 13 cm thick block of latex, rather than the shredded latex that is often used in pillows. This gives the pillow a bouncier feel, in addition to excellent support, anti-allergenic properties, airflow and progressive comfort.

100% cotton washable cover

Since you'll want to avoid soaking your latex pillow in water, a machine-washable cover is always a great idea.

Even though Superior Comfort pillow is hypoallergenic for healthier sleep, removable 100% cotton cover which can be washed at 40 degrees Celsius in any washing machine is a welcome addition.
Cotton's natural absorbency will help to keep the pillow feeling fresh, while the breathable properties of the fabric will allow hot air to escape keeping you cool and fresh all night long.

Instant pressure relief

One of the greatest advantages of latex is that it's a very springy and bouncy material. This pillow will instantly mould to the shape of your head and neck, offering not only exemplary support but also instant pressure relief whether it's neck or shoulder pain you're dealing with.

The pillow will also adjust to your movements throughout the night, so you'll always be comfortable no matter how much you toss and turn.

Micro air bubbles that promote optimal airflow

The essence of natural latex lies in its micro air bubbles. Not only do these microscopic holes make the latex more comfortable, but they also promote optimal airflow.

As ventilation is key for hot sleepers, the Superior Comfort pillow is a great choice for those who often find themselves waking up in a pool of their own sweat.

5-year warranty

While 5-years may not seem like a long time when it comes to a sleep product warranty, it's honestly quite rare to find a pillow with a 5-year warranty.

This not only speaks volumes about the quality of the product but also shows that Relyon is confident in its pillow and is willing to stand behind it.

Review of Superior Comfort Slim Latex pillow

An image of Relyon Superior Comfort Slim Latex Pillow.

Now, for Relyon Superior Comfort Slim Latex pillow review.

First of all, calling this a “slim” pillow is not something we'd do. At 13 cm, this is a high-loft pillow, which means it's thick by definition – not slim. However, this doesn't take away from the fact that it's an excellent pillow.

As is often the case with medium latex pillows, we found this one presents great pressure relief. Thanks to the natural properties of latex, this is a responsive boy that will adjust to your movements throughout the night, delivering much-needed support, comfort and optimal spinal alignment, in addition to excellent pressure relief. So, in this department, it definitely ticks all the boxes.

In terms of breathability, the Superior Comfort pillow also does a great job. Unlike memory foam pillows, latex stays cool and doesn't retain heat. This, in combination with the natural micro air bubble structure of latex, makes for a pillow that's perfect for hot sleepers.

We also really like the cotton cover. Not only is it machine-washable, but it's also very elegant and soft to the touch. A truly lovely sleeping surface.

But, this pillow is not without its flaws, and we're not talking about the slight, vanilla-like scent upon unpacking.

Namely, as a high-loft pillow, this one will be all but comfortable for stomach sleepers. In fact, we really don't recommend this pillow for stomach sleepers at all, as it's simply too thick and will push your head and neck out of alignment.

All in all, this is a very good, very comfortable, very durable pillow, ideal for side sleepers that run hot during the night.


What we like about Superior Comfort Slim Latex pillow

What we didn’t like about Superior Comfort Slim Latex pillow

The common problems with Superior Comfort Slim Latex pillow & how to solve them

If we consider the audience this pillow is meant for – people who sleep on their side, we can say that there are no common problems with it. This one will result in many great nights.
However, if you're a stomach sleeper looking for the right pillow – look further. This one isn't for you.
The only “real” problem we have with this one is the fact it's called “Slim”. Other than that – this pillow does what it was meant to do.

Check the best alternative to Superior Comfort Slim Latex pillow

If you're not sold on the “Slim” – here's a keen alternative.

Relyon Superior Comfort Deep Breathable Latex Pillow

a product image of Relyon Superior Comfort Deep Latex Pillow

As you can tell by the name, this one is deeper and, therefore, also tailored towards side sleepers' good nights' sleep.

Other than the overall size, there are no significant or structural differences between these two.

Both utilise the same latex, both come with cotton covers, and both encourage healthy blood supply to your neck and head muscles so you wake up feeling rested, refreshed and rejuvenated.

The only difference? This one's noticeably firmer.


An icon depicting air passing through a fabric
Highly breathable
Latex is breathable & won't make you hot.
An icon depicting a leaf indicating hypoallergenic properties
Latex is naturally hypoallergenic
An icon depicting a back sleeper
Supportive & pressure reliving
Moulds to the shape of your head and ensures neck support.


An icon depicting the product is not side sleeper friendly
Only for side sleepers
It is not made for stomach or back sleepers.

What makes this product better than some other similar ones?

What makes this one offers a great night's sleep is latex itself.
For a long time, Dunlopillo latex has been used in the manufacture of mattresses and other sleep products because of its unrivalled quality. Since Relyon is relying (pun intended) on that exact same latex, you can be sure that their pillows will provide you with the same level of comfort and support as the famed Dunlopillo pillows did.

How did we test the product?

As you'd imagine, testing a pillow is a bit different than testing, say, a mattress. However, over here at the Sleep Advisors testing establishment, we have a strict process that we always follow.

An image of two Relyon pillows on bed.

To make things clearer, here's how we would (and did) go about testing the bounce and responsiveness of a pillow:

Is Superior Comfort Slim Latex pillow eco-friendly or sustainable?

Latex is one of the world's most sustainable materials. It comes from the sap of rubber trees, which are tapped in a way that doesn't harm the tree. So, not only are trees not cut down – they're not even damaged.
As for eco-friendliness, latex also scores very, very high. It's biodegradable, which is very important in the current climate crisis. On top of that, rubber trees are a renewable source, so that's another plus.
Couple that with Relyon's strict environmental policy, and you've got a winner in the sustainability department.

Overall impressions of the product after the testing

All in all, we're very pleased with the Superior Comfort Slim Latex pillow.

It's a splendid choice for side sleepers who are looking for a bouncy, comfy, supportive, pressure and pain-relieving and eco-friendly pillow. It also comes with a neat cotton pillowcase, which is always a bonus in our book.

The only downside is the price, but all things considered – we think this is a price worth paying.
Overall, we'd give this one an eight out of ten.

FAQs about your Relyon Superior Comfort Slim Latex pillow

Is Superior Comfort Slim Latex pillow hypoallergenic?

Yes. A natural latex pillow is the best pillow for allergy sufferers.

Is Superior Comfort Slim Latex pillow appropriate for all types of sleepers?

Not at all. The vast majority of the front (and some back sleepers) would sleep at abnormal posture during the night with a pillow this high.

How to clean Superior Comfort Slim Latex pillow?

The latex core can be wiped clean, and the removable pillowcase can be washed in any washing machine at 40°C.

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