dosleeps 4FT6 Double 11-inch Medium-Firm Hybrid Mattress

The dosleeps 4FT6 Double mattress combines gel memory foam with pocket springs in a medium-firm hybrid design. Its listed double dimensions are 135 by 190 cm, and the feature claims describe nine-zone support, motion isolation and reinforced edges. The listing also calls it 11 inches thick, while its dimensions specify 28 cm.

At a glance

Gel memory foam and pocket springs form the listed hybrid construction.
The listing describes nine support zones and 700 pocket coils.
Feature claims include motion isolation, breathable materials and edge support.
The manufacturer says to allow up to 72 hours for full expansion.

Price

£300.99Save 21%

Reference price: ~~£378.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

A medium-firm hybrid construction combines foam comfort layers with pocketed springs.
The stated 135 × 190 cm footprint suits a standard UK double bed, subject to checking the listed measurements against the frame.
The manufacturer lists compatibility with box spring, slatted and solid foundations.

Technical specifications

20 specifications

Identity
Brand	dosleeps

Dimensions and installation
Dimensions listed	190 x 135 x 28 centimetres
Weight listed	27 Kilograms
Size	Double(135x190x28cm)
Thickness	11 Inches
Mattress base compatibility	Box Spring, Slatted Base, Solid Foundation

Build and materials
Construction type	Gel Memory Foam, 9 Zone Pocket Spring, Hybrid
Fill material	Gel Memory Foam, Memory Foam, Pocketed Spring
Comfort layer	Gel Memory Foam, Memory foam
Coil type	Pocketed Coil
Number of mattress coils	700
Number of layers	7
Top style	Gel Top
Cover material	Polyester Blend
Material type	3D Breathable Mesh on Side, 9 Zone Pocket Spring, Anti-Slip Base, Breathable Knitted Fabric, Edge Support, Gel Memory Foam, Wave Memory Foam
Colour	White + Black

Feel and care
Firmness	Medium Firm
Special features	Breathable, Edge Support, Memory Foam, Motion Isolation, Orthopedic
Care instructions	Wipe stains with cloth wrung in warm water; Use gentle cycle for cover; Rotate mattress regularly; Dry completely before use
Customisable	No

What to know before buying

Listing details to confirm

The listing is inconsistent about thickness: the title says 11 inches, while the size and dimensions specify 28 cm. Its stated 135 × 190 × 28 cm dimensions and 27 kg weight should be treated as listing details, not independently confirmed measurements. The listing also gives 24–48 hours for full expansion, up to 72 hours in colder conditions, and recommends waiting 48–72 hours before sleeping on it. It claims a 100-night trial and 10-year warranty, but terms are not supplied.

What’s in the box

Included

1 Manual
1 Mattress

Who is it for?

A good fit for

Shoppers seeking a medium-firm double hybrid with both gel memory foam and pocket springs.
Couples who value the listing’s motion-isolation claim and want to consider an independently sprung design.
Buyers whose bed base is a box spring, slatted base or solid foundation.

Less suited to

Anyone who needs confirmed thickness before choosing bedding or matching a specific bed frame, unless the seller clarifies the 11-inch versus 28 cm listing.

dosleeps 4FT6 Double 11-inch Medium-Firm Hybrid Mattress · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 23 ratings

5 stars96%96%
4 stars4%4%
3 stars0%0%
2 stars0%0%
1 star0%0%

Customer feedback highlights comfort and supportive feel, including reported interest in back-pain relief. That aligns with the listing’s medium-firm foam-and-pocket-spring design, but neither the product claims nor the feedback establishes a particular medical outcome. The overall ratings are strongly positive, though a small rating sample cannot show how the mattress will suit an individual sleeper.

Positive themes

Customers describe the mattress as comfortable.
Customers mention supportive qualities and back-pain relief.

Frequently asked questions

What size is this mattress listed as?

It is listed as Double, with dimensions of 135 x 190 x 28 cm. Check the thickness discrepancy before buying, as the title says 11 inches.

What firmness does the listing specify?

The stated firmness is Medium Firm.

What type of construction does it use?

The listing describes a hybrid of gel memory foam and nine-zone pocket springs, and states that it has 700 coils and seven layers.

How long should it expand before use?

The listing gives 24–48 hours to reach full size and up to 72 hours in colder conditions. It separately recommends waiting 48–72 hours before sleeping on it.

What do customers report about comfort and support?

Customer feedback describes the mattress as comfortable and supportive, including for back-pain relief. These are reported impressions, not a guarantee of an outcome.