If you are looking for a mattress that is built with traditional and natural materials, you should read my OTTY Natural Evolve mattress review. This belongs to the ‘Natural Range’ that also includes the more affordable OTTY Natural Origin mattress.
This is a premium option that is made with luxury materials like wool and cashmere, and it’s designed for people who seek both comfort and support. The Evolve mattress is built here in the UK, which ensures it’s well-made. Mine was delivered almost a week ago, so it’s time now to move to the full review below.
What are the layers of this mattress?
The Evolve mattress has a complicated design that features 9 layers plus the cover. In detail, these are:
- A layer made of a premium blend of wool, silk, and cashmere. It has excellent thermo-regulating properties that will help you sleep more comfortably.
- A natural cotton layer that can wick away moisture and allows airflow.
- A layer made of micro pocket springs that add pressure relief and are designed to minimise motion transfer.
- A natural rebound cotton layer that helps keep the mattress cool and dry.
- A pocket spring layer that is the main source of support. This type of spring promotes a proper spinal alignment.
- All the layers again and reversed. This is a double-sided mattress, so you can use both sides.
The Evolve mattress measures 28cm in height, so you should expect a medium profile. The image below gives us a better look at the position of every layer.

Is the cover any good?
The cover of this mattress looks and feels great. It’s made of premium viscose, a material that has many helpful properties. Firstly, it’s quite lightweight and feels silky soft. Secondly, it can wick moisture away and keep the sleeping surface at the right temperature. Lastly, it’s very durable, so it will last you for a long time. At the top of the cover, you will find a nice tufted pattern, and I have to mention here that it’s hand-stitched. The design is a traditional one featuring a white colour with silver details.
The cover doesn’t lack practicality and features 4 side handles. These are very helpful here, as this is a flippable mattress. The bad news is that this is not a removable cover, so you cannot machine-wash it. Other than that, this is a gorgeous cover that has impressed me.

How firm is this mattress?
I want to continue writing this OTTY Natural Evolve mattress review and talk about its firmness. This is a mattress that was developed to offer both comfort and support, so it comes with a medium-firm feel. If I use my virtual scale here, I would say it’s a 6.8 with 10 being really firm. I want to talk now about my experience with it during the past week.

Starting from the back position, the mattress hugged my hips and shoulders, and it was very comfortable in this position. There were high levels of pressure relief, and the Evolve mattress did a great job distributing my weight.
Turning to the side position, the mattress did a good job with my spinal alignment and that made me feel quite comfortable. Support remained great, and I didn’t feel any discomfort in my hips or shoulders.
Lastly, moving to the stomach position, the sleeping surface had an ideal firmness, and I felt very comfortable. The people at OTTY made a true all-rounder here that performs well in all sleeping positions.
The mattress is a solid construction, so you should expect great edge support. Moreover, it’s built to minimise motion transfer so couples won’t disturb each other during sleep.
Do they offer free delivery?
One of the best things about this mattress is the fact that it comes with free premium delivery. That means that your mattress will be delivered by two couriers. OTTY also offers a number of add-ons that include mattress setup or old mattress removal. This is very helpful, and the good news is that all these extras are reasonably priced. Their service is relatively fast, and you should expect your mattress within 2-5 working days.
In my case, I had to wait for 2 days, and I remind you that I am based in London. I paid an extra tenner to have my mattress placed in my bedroom, and that was quite helpful. The people at OTTY informed me of every step of the process, and overall, I was quite happy with their service.
Is there a trial period?
The short answer is yes. If you decide to buy the Evolve mattress, you will get a 100-night trial period that gives you the right to try it at home. If, for any reason, you are not happy with your mattress, you can return it and ask for your money back. It’s a simple process, and their customer service department will guide you through.
Moreover, all OTTY mattresses come with a 10-year guarantee, which is the standard these days. That means that you will be covered for a long time, which makes the OTTY mattress a relatively safe choice. Overall, this is a complete package here, so no complaints at all.

How much will I pay for it?
The Natural Evolve mattress is available in 3 sizes, so you don’t have many options to choose from. This is common practice for makers as they don’t release their more premium offerings in smaller sizes. The cheapest option is the double size, which will set you back £1,149. On the other hand, the bigger size (Super King) goes for £1,349. The table below has pricing information for all available sizes.
SIZE | DIMENSIONS | PRICE |
Double | 135 x 190 x 28cm | £1,149 |
King | 150 x 200 x 28cm | £1,249 |
Super King | 180 x 200 x 28cm | £1,349 |
Should I consider the OTTY Natural Evolve mattress?
I am ready to complete this OTTY Natural Evolve mattress review and share my final thoughts with you. This would be a great option for anyone looking for:
- A hybrid mattress that is made with natural materials.
- A premium mattress that is designed and built here in the UK.
- A mattress that comes with a 10-year guarantee.
The people at OTTY managed to build a great ‘old-school’ mattress that is built for every body type and sleeping position. It’s built with excellent materials and has a great finish. Add a decent support package, and if you have the budget for it, this is definitely a mattress to consider.