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Breathable wool & cooling Stratos® cover
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Microspring & high elasticity foam layers
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Up to 3,500 springs
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8 layers / 28cm depth
Hybrid® Pro Core Mattress has a rating of ["4", "7"], based on 21 reviews.
View ReviewsWe’ve chosen wool as the natural top layer of our Pro Core for two reasons: it’s breathable to allow fresh air to flow and to help regulate temperature, and it’s beautifully soft – for an extra comfort boost.
Discover the science behind our signature sleeping-on-a-cloud feel. Our titanium alloy Aerocoil® microsprings sit right at the top, delivering comfort where you need it most. Each spring responds independently to your movements, helping promote airflow and minimise motion transfer, so you stay cooler while your partner sleeps undisturbed.
Paired with a high-resilience CertiPUR® foam layer, engineered for exceptional elasticity, they deliver a beautifully cushioned feel with responsive support and enhanced breathability. The result? Comfort that adapts to you, night after night.
If your mattress makes you feel too hot at night, your quality of sleep suffers. But our Simbatex® foam has over 5x more airflow than memory foam , and it’s infused with graphite to move warmth away from your body. There’s an extra deep layer in our Hybrid®, so you get all the cushioning comfort of memory foam – minus the heat.
(And why Simba is the King of Hybrids!)
Hybrid mattresses combine foam and springs. Foam mattresses give a restful, cradled feel but can feel soft, hot and lack support. Spring mattresses sleep cooler and provide robust support but can feel bouncy and hard. Hybrids provide the cradled feel without the bounce and sleep cooler.
Simba Hybrids® uniquely have microspring Aerocoil® layers at the top of the mattress. These provide our unique Simba feel and so you feel ultimately comfortable, supported and cool.
Foam
Simba Hybrid®
Spring
We work with a number of expert suppliers in the UK and Portugal to ensure the highest possible quality for our mattresses.
90X190 UK Single Mattresses
135X190 Double Mattresses
150X200 UK King Size Mattresses
180X200 UK Super King Mattresses
120X190 UK Small Double Mattresses
The Simba Hybrid® Pro Core Mattress is 28cm deep.
Up to 1,900 25mm conical pocket Aerocoil® springs, made with titanium alloy and manufactured in Leeds, enclosed in a polypropylene pocket.
530g knitted polyester top cover (due to updated covers fabric spec may vary slightly between 02/24 and 11/24) with zip-off, washable sleep surface and Stratos® technology.
133g knitted polyester internal cover to protect mattress layers when top cover is removed for washing.
British wool.
Simbatex® foam support layer.
CertiPUR® foam support layer.
No roll-off SupportCore™ Base with up to 1000 durable steel springs.
HIgh Elasticity CertiPUR® foam layer for cushioned comfort.
CertiPUR® foam base layer for extra mattress stability.
4 handles for ease of movement.
For more info, please head to our FAQ.
The top cover is removable and washable (washing instructions included). Wash at 40°C on a reduced spin cycle. Do not use chlorine bleach. Do not tumble dry, iron or dry clean.
The grey base fabric can also be cleaned with a soft, damp and clean cloth using small circular motions. Using a mattress protector could help extend the life of your 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. Due to the weight of this mattress we strongly recommend delivery to your chosen room and that you ensure children are kept at a distance from delivery and unboxing. If you choose to return your mattress during your 200-night trial, returns are also free in most of the UK.
If you decide the Simba Hybrid® Pro Core Mattress is not for you, give us a call during the mattress trial. We’ll arrange a free collection and refund the cost of your 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 mattress comes with a 10-year guarantee. If it fails during that time, we’ll exchange it for a brand new one.
Foams in our Hybrid® Pro Core are certified to CertiPUR® requirements, so these foams contain no heavy metals like mercury or lead.
Proud to be a B Corp.
We’re determined to have a positive impact, socially and environmentally.
A responsible sleep.
We use CertiPUR® foam and include recycled materials where possible.
Less to landfill.
Simba mattresses are suitable for recycling or refurbishment via specialist providers.
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Reviews attributed to a model of a product or to services reflect reviews left for previously offered design iterations of a model of product or a service, as well as the optimised and improved iteration of the product or service offered today.