We’re delivering as usual within 3 business days, with zero-contact delivery now as standard. For up to date details regarding delivery during COVID-19, click here. Standard delivery remains free to most of the UK.
You can also choose at checkout to have your old super king size mattress removed. Our two-person crew will do this at the same time as they deliver your new Simba super king size mattress.
We’re confident it’ll be love at first night - but we give you 200 to be sure. If you decide to return your Simba, we’ll collect it for free (and don’t worry, we wouldn’t dream of asking you to get it back in the box).
If you prefer to spread the cost of your super king size mattress, you can do it without having to pay a penny more than if you paid up front in one go. Plus you still get all the benefits of our risk-free 200 night trial.
All Simba super king size mattresses are sourced and made in Europe: we work with well-known, state-of-the-art super king size mattress factories in the UK.
90X190 UK SINGLE
135X190 UK DOUBLE
150X200 UK KING
180X200 UK SUPERKING
120X190 SMALL DOUBLE
90X200 EU SINGLE
140X200 EU DOUBLE
160X200 EU QUEEN
The Simba Hybrid® Mattress is 25cm deep.
Up to 2,500 25mm conical pocket Aerocoil™ springs, made with titanium alloy and manufactured in Leeds, enclosed in a 100% polyester pocket
500g Hypoallergenic knitted cover
Reflex Simba-Pure support layer
Zoned Simba-Pure support base
Open cell Simba-Pure foam with graphite for cooling
4 handles for ease of movement (excludes Single and Small Double sizes)
For more info, please head to our FAQ.
The cover is not removable or washable. The grey base fabric can be cleaned with a soft, damp and clean cloth using small circular motions. Using a super king size mattress protector could help extend the life of your super king size mattress.
Delivery is free as standard to most of the UK. In most cases, we deliver seven days a week when you pick a date at checkout. And if you choose to return your super king size mattress during your 200 night trial, returns are also free in most of the UK.
If you decide the Simba Hybrid® Mattress is not for you, just give us a call during the trial. We’ll arrange a free collection and refund the cost of your super king size mattress or any financing payments made (not including delivery charges). And don’t worry - we wouldn’t dream of asking you to get it back in the box.
Every Simba super king size mattress comes with a ten year guarantee. If it fails during that time, we’ll exchange it for a brand new one.
Our foams have all received the CertiPUR label, meeting the requirements of unwanted chemicals in foams. No destructive agents of ozone, heavy metals, mercury or lead have therefore been used for their manufacture. They are also perfectly safe and suitable for everyone.
Good for you, good for the planet.
Rest easy as every Simba mattress is made from Simba-Pure.
Foam in other brand’s mattresses include TCPP and other chemicals - including phosphate, parabens, biocides and persistent organic pollutants. These chemicals are safe to you but are old ingredients to meet fire safety regulations.
All those chemicals aren’t good for the planet... After years of research and development, Simba produced Simba-Pure, a purer foam that is free from those chemicals. Of course, it exceeds fire safety regulations.
Pure innovation that’s better for you, and better for the planet.
And that all adds up to longer, deeper, cooler Simba sleep.
Proudly awarded by industry experts
Our trophy cabinet is pretty full. Thanks folks!
Eleven industry awards
Made in the UK
Hybrid as standard
Most five star reviewed
We rest better when we know your honest opinion of us. Check out reviews from Simba sleepers below, and please add your own.
Simba Hybrid® Pro
The Simba Hybrid®
Our bestselling mattress, now in its 4th generation
One spring-comfort layer, for cooling comfort where it counts - at the top of the mattress
Up to 2,500 Aerocoil® springs for no-pressure support
Super soft and breathable sleep surface
The Simba Hybrid® Pro
Level up on comfort with our latest mattress innovation
Two spring-comfort layers for advanced comfort and airflow
Up to 5,000 Aerocoil® springs for gravity-defying support
Our thickest, plushest sleep surface
Additional temperature regulating British wool layer
About the Product
A super king size mattress measures 180cm x 200cm x 25cm, making it 30cm (or a foot) wider than a standard UK king size. In old money, it's 6 feet wide.
In many retailers, a super king size mattress is the largest size available (we have one more!). Similar to a US king size, these offer the luxury of incredible space for couples - like having a standard UK single each - with plenty of room for kids and pets to clamber in for lazy Sunday morning snuggles. They need plenty of clearance space, but the area under the bed can be used to keep clutter out of sight, depending on the height and style of the base. If you're lucky enough to have a sizeable bedroom, or can move wardrobes and drawers into a separate dressing space, they're well worth the investment in dreamy comfort.
Traditional spring super king size mattress: Usually found in guest bedrooms as an economical option, the springs in these old fashioned coil mattresses are joined to each other. So there's plenty of support, but the bouncing can get a bit much (if it's not creaking too).
Pocket spring super king size mattress: Pocket spring mattresses offer more flexible support by placing each spring individually into a fabric pocket. These mattresses often still use bigger, cylindrical box springs, with all the pros and cons those offer.
Memory foam super king size mattress: Memory foam is a type of viscoelastic which moulds to the body, making memory foam mattresses very comfortable. However, they're also known for trapping heat and can go softer as they warm up, giving sleepers a sweaty, sinking feeling.
Latex super king size mattress: Latex mattresses are made with latex foam, which is considered a natural product. Bouncier than memory foam, latex is not as good at preventing motion transfer, and tends to be heavier and more expensive.
Hybrid super king size mattress: Hybrid mattresses bring together two different kinds of traditional design, such as springs and foam. This aims to combine the advantages of both, without the limitations - so you get comfort and support without overheating or bouncing around.
As an innovative, unique hybrid mattress, the Simba Hybrid® super king size mattress offers the same award-winning comfort at every size. Our British steel micro springs are smaller and lighter than traditional clunky box springs, which means that there's no see-saw effect when sharing a bed. They're also specially shaped using a patented design to move individually around the hips, spine and shoulders, providing hundreds of points of pressure relief. The Simba Hybrid® super king size mattress has a spring count of 3,000 conical pocket springs, more than some traditional super king size mattresses, matched to a thick layer of visco memory foam for cloud-like comfort.
The Simba Hybrid® Mattress also has a unique comfort layer made of open cell foam which, combined with the air flow offered by the spring layer and breathable sleep surface, makes for altogether cooler, more chilled out nights.