Rank #6 in Best Mattress for Side Sleepers 2026: Two Say Extra Firm
Hybrid Extra Firm Kingsize Mattress, Support for Back, 25cm
Price and rating as shown on Amazon when we collected them. Both change.
The extra firm kingsize mattress costs £153.42 and is rated 4.3 stars from 418 ratings, with a twenty-five centimetre depth and a hybrid construction.
It takes sixth because it is the only mattress in this article that says extra firm — in the title and again in its style field, where other listings put a colour — while giving no spring count or foam density to explain the word.
How those 418 ratings break down
An average hides its own shape. This is the spread behind the 4.3 stars.
Specification
Exactly as published on the Amazon listing, field for field.
| Firmness | Extra firm, in the title and the style field |
|---|---|
| Style field | "Hybrid Extra Firm-25CM" |
| Depth | 25 centimetres, units consistent |
| Evidence | 418 ratings at 4.3 stars |
| Construction | Memory foam hybrid |
| Price | £153.42 |
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Medium to firm ... Solid build...Well put together..”
Verified purchase“Very comfortable and good quality, so happy with it, especially for that price”
What it is up against
The rivals it was ranked against in Best Mattress for Side Sleepers 2026: Two Say Extra Firm.
Rank #1
Inofia Double Mattress, 12 Inch Memory Foam Sprung, Medium Firm
£169.99
Rank #2
Twirest Hybrid Double Mattress 4FT6, Cotton Comfort Layer, 22cm
£129.99
Rank #3
dosleeps King Size Mattress 5FT, 9-Zone Orthopedic, 22cm
£159.99
Rank #4
Double Mattress 4FT6, 12 Inch Medium Firm Hybrid, 7 Zone Support
£162.99
Questions people ask
Is it really extra firm?
That is what the listing says, twice, without a scale.
What makes it firm?
The page does not say: no spring count and no foam density.
What size is it?
A 5ft king: 150 by 200 centimetres.
How is it rated?
4.3 stars from 418 buyers.
Why is it sixth?
Because it uses the right word and does not explain it.
How many ratings does it have?
418 at the time of collection, averaging 4.3 stars, with 73 per cent five-star and 9 per cent one-star.
Comments
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