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Better sleep means a better you. And the Simba® Natural Hybrid® Source Mattress helps you enjoy a seriously upgraded quality of sleep thanks to incredible comfort and support technology from the leaders of sleep innovation. Wake up refreshed and ready to take on every day as the best version of you with the help of this eco-conscious, durable sleep surface.

Natural comfort thanks to five layers of cushioning wool

Two layers of plush Hampshire wool plus three additional layers of British wool don't just provide full-body cushioning that eases pressure across your joints. They also help to regulate your temperature and keep you as cool, fresh, and comfortable as possible. Highly breathable, these layers also wick away excess moisture in the night, meaning you enjoy a night of rest free from overheating and stuffiness.

Precise support from British-made steel springs

For ultimate support, Aerocoil™ mini springs are precision-made from British steel. These small but mighty springs ensure every single pressure point across your body is supported, whether you sleep on your front, back, or side. With a medium-firm feel, this support system also provides orthopaedic comfort, known for keeping your hips and shoulders in line with your spine to ease back aches and pains.

Deep, durable support that's glue-free and breathable

A CoreMax base offers deep, long-lasting support from the very foundation of the Simba® Natural Hybrid® Source Mattress. A layer of individually pocketed springs, this CoreMax base targets precise tension relief to the heaviest parts of your body, helping to ensure your spine doesn't bend too far out of alignment. Made from British steel and with a glue-free construction, this base promises durability that's better for you and the planet.

Sustainable sleep with eight carefully crafted layers

With an incredible eight innovative layers, this mattress is one of the very few that does exactly what it says on the tin: provides comforting, supportive pressure relief that refreshes and rejuvenates you as you sleep. The final layer is the viscose plant-based cover made using sustainable, plant-based fibres for a soft, silky feel and a more breathable sleeping environment.

Sizes to suit any space with support for any sleeper

With a 28cm depth and available in double, king, or super king sizes, this mattress from the Simba Natural Hybrid® range is ideal for your master bedroom, spare room, or teenager's bed, and sits stunningly on any type of bed frame.

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Aerocoil® Spring Support Layer icon
Aerocoil® Spring Support Layer
Small but mighty, these individually pocketed springs made from reliable British steel ensure maximum pressure relief to every inch of your body.
Sustainably Sourced Hampshire Wool icon
Sustainably Sourced Hampshire Wool
Cosy and cushioning, Hampshire wool is known for its durability and elasticity, making it the perfect material for adding extra comfort to your mattress. Plus, you can sleep even easier knowing it's sustainably sourced.
28cm Depth icon
28cm Depth
This mattress is approximately 28cm deep.
Plant-Based Viscose Sleep Surface icon
Plant-Based Viscose Sleep Surface
Silky smooth and highly breathable, this premium sleep surface is made from plant-derived viscose for a fresher, more sustainable night's sleep.
Orthopaedic Support icon
Orthopaedic Support
Designed to offer a firmer sleep surface, providing targeted support for your back and joints.
Reinforced Edges icon
Reinforced Edges
The mattress has reinforced edges, so that the full sleep surface can be used. This means more sleeping space - which is usually lost in conventional, less edge-stable mattresses.
No Need To Turn icon
No Need To Turn
A single-sided mattress which does not need to be turned/flipped. One-sided mattresses should, however, be rotated head to toe regularly.
No Roll Together icon
No Roll Together
Individual personal sleeping zones mean that you won't be disturbed if your partner rolls or moves, as you won't feel their motion. There's also no tendency to roll towards the middle of the mattress.
Turning Handles icon
Turning Handles
Flag-stitched handles are attached to the sides of the mattress to assist in turning or rotating.
Hypoallergenic icon
Hypoallergenic
Being hypoallergenic, this is the perfect item for allergy sufferers - or anyone looking for a healthy night's sleep.
CoreMax™ Sprung Base icon
CoreMax™ Sprung Base
British steel pocket springs with a glue-free construction form a base of deep, stable support. Arranged in seven zones to match the needs of the different parts of your body, these springs help to keep you in the healthiest sleeping posture.
Invisible Tufting icon
Invisible Tufting
Invisible tufts keep the mattress surface smooth and comfortable whilst harnessing the durability benefits of traditional tufting.
Made in the UK icon
Made in the UK
This item has been manufactured in the UK.
Fire Resistant - Low Hazard icon
Fire Resistant - Low Hazard
This product conforms to the BS7177: 2008 standard for domestic use (low hazard) - ideal for use at home.

Additional features

  • Made by an NBF-Approved ManufacturerPeace of mind and reassurance - the manufacturer of this item is an approved member of the National Bed Federation.
  • Natural wool layers regulate your temperature for a cooler, deeper sleep
  • These natural layers also provide intense cushioning for full-body tension relief
  • A medium-firm feel helps to support healthy sleeping posture and prevent morning aches
  • Breathable plant-based cover helps to prevent overheating and night sweats
  • British steel-made Aerocoil™ springs relieve pressure across your entire body
  • Hypoallergenic fillings naturally resist dust mites and moisture for a healthier sleep

We provide our award-winning Free Next Day Delivery service to most locations, sending a proper night’s sleep out far and wide. Hassle-free and convenient, you can even choose a time and day that suits you, have us take your old mattress away for recycling, and get us to deliver to your room of choice!

In some places, a small fee will be charged to help us get you your best night’s rest as quickly as possible. Take a look at the following postcodes to see if this applies to you, and if you’re not sure, then use our helpful Postcode Checker to help you shop with confidence.

  • AB10-AB16, AB21-AB25, AB30-AB39, AB41-AB45, AB51-AB56
  • CA1-CA9
  • DD1-DD11
  • DG1-DG14, DG16
  • EH1-EH49, EH51-EH55, EH91, EH95, EH99
  • FK1-FK21
  • G1-G5, G9, G11-G15, G20-G23, G31-G34, G40-G46, G51-G53, G58, G60-G79, G18-G84, G90
  • IV1-IV19, IV30-IV32, IV36
  • KA1-KA30
  • KY1-KY16, KY99
  • LA1-LA7
  • ML1-ML12
  • PH1-PH26
  • TD1-TD15
T3 Awards 2024 - Highly Commended icon
T3 Awards 2024 - Highly Commended
Reviewing and recommending the best products in the technology and lifestyle industry, T3 meticulously test the latest innovative products. A Best Mattress award from T3 proves the ingenuity and efficiency of this mattress.
Good Housekeeping Institute 2025 icon
Good Housekeeping Institute 2025
Good Housekeeping's Textile Lab extensively researches the best brands, features and materials on offer to recommend only the most premium mattresses. Voted for by product testing experts as well as a diverse panel of customers, a Good Housekeeping Institute Approved badge is a sign of a mattress' ability to perform exactly as it promises.
Zerowasted.co.uk - Best Buy icon
Zerowasted.co.uk - Best Buy
Helping shoppers make eco-conscious purchases, Zero Wasted hand-selects and compares the products that make it easier to switch to a more ethical, environmentally friendly lifestyle. Their Best Buy awards highlight the products and brands that prioritise sustainability.
T3 Recommends icon
T3 Recommends
Testing and reviewing the latest technology-driven products, T3 only recommends those which they believe are guaranteed to help you lead a smarter, better lifestyle. Their team of dedicated experts spend hours testing and comparing products, so this recommendation reflects real-world performance and expert analysis.
100 Night Sleep Trial icon
100 Night Sleep Trial
Finding the perfect mattress shouldn't be stressful. That's why we offer a generous 100-night sleep trial. Snuggle in and test it out for at least 50 nights. If it's not your perfect match we’ll offer you an exchange for a mattress that you love even more.

Simba® 10 Year Guarantee

Simba are certain you’ll love your new mattress, but for complete peace of mind they offer a 10 year guarantee. In the very unlikely case that you discover a defect as a result of faulty workmanship or materials, they’ll swap it for a new one. Please see: https://simbasleep.com/pages/ten-year-guarantee for further info.

Simba® Natural Hybrid® Source Mattress

Aerocoil® Spring Support Layer
Sustainably Sourced Hampshire Wool
28cm Depth
Plant-Based Viscose Sleep Surface
Orthopaedic Support
Firmness: Medium Firm
100 Night Sleep Trial
Award Winning Product
£899
RRP £1199
Save £300
25% off
from £899
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Double
4'6" x 6'3"
Lightning Deal
£899
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King Size
5' x 6'6"
Lightning Deal
£969
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Super King
6' x 6'6"
Lightning Deal
£1119
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Free Delivery in Next Day

Free delivery Tomorrow, 6th December

Place your order now and we'll contact you to arrange delivery when your order is ready for despatch. You can then choose our popular next day delivery or select a day & time of your choice and get delivery when it's convenient for you.

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Simba® Natural Hybrid® Source Mattress

Simba® Natural Hybrid® Source Mattress

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