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For specialist support, the Spring King® Ruby Ortho Extra Firm Mattress is one of the firmest sleep surfaces you can find. For those of a particularly heavy build, those who have been recommended an extra firm mattress by a medical professional, or anyone who simply feels they need specialised help with back pain, this orthopaedic mattress can help to align your spine for a more comfortable sleeping position.

Consistently firm support

A traditional open coil spring unit features one continuous high tensile spring formed into a lattice shape. This innovative shape allows for a firmer, more consistent level of support, while a deep, firm filling of breathable white fibres ensures targeted pressure relief exactly where you need it. This expert level of tension relief can help you enjoy a more rejuvenating, refreshing night's sleep, with the enhanced air circulation within the mattress preventing overheating and encouraging a fresher sleeping environment.

Double-sided for even wear

Luxuriously hand-tufted to keep all fillings in place, the Spring King® Ruby Ortho Extra Firm Mattress is finished with a soft damask cover for a final touch of luxury. Double-sided, this mattress features robust turning handles to help you flip it each season, ensuring even distribution of fillings.

1276940-5056314410115

Open Coil Springs icon
Open Coil Springs
These spring systems contain interlaced coils of high-tensile steel that are joined together in a lattice, for great body support. Most common sprung mattresses are made using these open coil springs.
Soft White Fibres icon
Soft White Fibres
Soft white fibre fillings which are made from 100% polyester. This type of mattress filling offers great recovery and is very durable, which means long-lasting comfort.
27cm Depth icon
27cm Depth
This mattress is approximately 27cm deep.
Damask Cover icon
Damask Cover
A mattress cover which is made from a breathable Belgian damask fabric.
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.
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.
Turnable icon
Turnable
The mattress has fillings on both sides. Double-sided mattresses need to be turned regularly to keep them in good condition.
Hand Tufted icon
Hand Tufted
Tufts help to secure the luxury fillings in place, helping the mattress retain it's fullness and plumpness over time.
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.
  • An open coil spring unit provides extra firm support to your entire body
  • Deep layers of soft white fibres enhance both the firm feel and comfort of the mattress
  • Enhanced air circulation prevents overheating and allows for a fresher sleep
  • Hand-tufted to ensure all fillings stay in place, this mattress is flippable to ensure even distribution
  • A soft damask cover adds a final touch of luxury, while reinforced edges maintain the mattress' structure

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
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.

Spring King® 1 Year Guarantee

Spring King are certain you'll love your new mattress, but in the unlikely event you discover a problem as a result of faulty materials or poor crasftmanship, you're covered by a one year guarantee.

Spring King® Ruby Ortho Extra Firm Mattress

4.8 out of 5
(77)
(13)
(1)
(1)
(0)
Open Coil Springs
Soft White Fibres
27cm Depth
Damask Cover
Orthopaedic Support
Firmness: Extra Firm
100 Night Sleep Trial
£236
RRP £399
Save £163
41% off
from £236
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Single
3' x 6'3"
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£236
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Small Double
4' x 6'3"
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£256
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Double
4'6" x 6'3"
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£256
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King Size
5' x 6'6"
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£315
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Super King
6' x 6'6"
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£433
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Free Delivery in Next Day

Free delivery Tomorrow, 15th November

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.

Your order helps us plant trees

151,270+ Trees planted so far

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Rated Excellent

4.8/5
based on 92 reviews
Trustpilot star rating
Quality of product
4.7 / 5
Comfort Rating
4.6 / 5
Value for Money
4.8 / 5
84%
14%
1%
1%
0%

Customer Review Summary

Customers have largely praised the product for its exceptional comfort and quality, frequently noting how it has significantly improved their sleep. Many have highlighted the supportive feel that caters well to various sleeping positions, providing a unique mix of softness and firmness that contributes to a restful night\'s sleep. Additionally, the materials and build quality have received favourable mentions, indicating a durable option that meets expectations for longevity. On the downside, a few reviewers found the item to be slightly heavier than anticipated, which could pose a challenge when moving or adjusting it, but this weight is often regarded positively as indicative of its robust construction. Overall, it\'s seen as a reliable choice that enhances the overall sleep experience.

Excellent Comfort
Quality Materials
Good Support
Durable Build
Improved Sleep Quality
Firm Feel
Heavy Weight
Trustpilot Star rating Verified

I bought this mattress as I had back problems. I found it a bit to firm but was ok with a topper on. In hindsight I should have got the firm one not the extra firm. I have no problems with the mattress other than it's firmness.

Shaun Smith 29th Oct
Trustpilot Star rating Verified

Excellent product. Super firm . Very happy on this mattress.

Sardar Kabir 27th Oct
Trustpilot Star rating Verified

Ordered a firm mattress and thats exactly what I got. A good mattress for a good price

Adam Reeb 27th Oct
Trustpilot Star rating Verified

Great mattress need some time to get used to it, but my back tells me massive thank you

Mindaugas Kimutis 26th Oct
Trustpilot Star rating Verified

Very good vslve for money!

Roger 23rd Oct
Trustpilot Star rating Verified

Quality of the product was good. The delivery was far from good and then blatant lies to try and say it was next day delivery when it was nearer 5

Derek Mccrindle 17th Oct

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Spring King® Ruby Ortho Extra Firm Mattress

Spring King® Ruby Ortho Extra Firm Mattress

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