Bodyshape Boost 800 Pocket Memory Mattress
The Bodyshape Boost 800 Pocket Memory Mattress combines a memory foam comfort layer with 800 pocket springs, which means you get a cushioned, sink-in surface with a supportive core underneath.
- Cushioned sink-in feel
- Firmer edges reduce roll-off
- Breathable fibres help dispel heat
£209
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The Bodyshape Boost 800 Pocket Memory is a pocket spring mattress with a memory foam comfort layer on top, 25cm deep and rated medium soft. It gives a cushioned, sink-in feel, so it suits lighter sleepers and side sleepers best. It comes in a UK single, UK small double, UK double, UK king and UK super king. Mattress Online offers a 100-night comfort trial, and there's a 1-year guarantee.
Mattress specifications
Firmness
Medium Soft
Type
Pocket Spring
Depth (cm)
25
Number of Layers
4
Trial Period (nights)
100
Warranty (years)
1
Price Range
£209 to £299
Best Sleeping Position(s)
Side Sleeping
Certifications
BS 7177
Assessed from Bodyshape's published specification for this mattress, captured November 2026, and from regular price comparison across our UK retail partners.
Why should you choose this mattress?
The memory foam layer adapts around your body and gives a sink-in, cushioned feel, which is good news if you want a soft surface under your shoulders and hips. Underneath, the 800 pocket springs have firmer rows around the outer edge, which reduces that roll-off feeling when you sit or sleep near the side. A layer of soft white fibres encourages airflow to help dispel heat and moisture. It suits most side sleepers and lighter sleepers, although the soft feel won't suit everyone.
Key features & layer details
Memory foam layer
A memory foam layer that adapts around your body. That gives you a sink-in, cushioned feel and helps ease pressure.
Reflex foam layer
A layer of Reflex foam that offers durable comfort. It adds resilience beneath the memory foam so the surface should keep its feel.
Soft white fibres layer
Soft white fibres that encourage open airflow. This helps dispel heat and moisture so you sleep more comfortably.
Pocket spring core
A core of 800 pocket springs, each in its own fabric pocket, with firmer springs on the outer rows. This gives supportive, responsive sleep and reduces the roll-off feeling at the edges.
Layer details from mattressonline.co.uk product page, November 2026.
Best suited for?
Side sleepers
The memory foam layer adapts around your body and gives a cushioned, sink-in feel, which suits a soft surface under the shoulders and hips.
Lighter sleepers
Medium soft firmness and a memory foam top layer give a sink-in, cushioned feel that lighter sleepers can settle into comfortably.
Warm sleepers
A layer of soft white fibres encourages open airflow to help dispel heat and moisture, so the bed should feel more comfortable through the night.
Couples
The 800 pocket springs have firmer rows around the outer edge, which reduces the roll-off feeling when either of you sits or sleeps near the side.
If you prefer sleeping on a firm mattress, this might not be the best choice. It's rated medium soft, and the memory foam gives a sink-in feel that heavier sleepers and front sleepers may find too yielding. It's also single-sided, so you can rotate it top to toe but not flip it. Bodyshape doesn't publish a weight limit.
Save on an earlier or ex-display model
Some retailers still sell the earlier version of this mattress, or ex-display and returned stock at a lower price. These are the sizes where it costs less than the current model's best price.
Bodyshape Boost 800 Pocket Memory Mattress
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FAQ's
How firm is the Bodyshape Boost 800 Pocket Memory?
It's rated medium soft, with a memory foam layer that gives a cushioned, sink-in feel. That suits side sleepers and lighter sleepers well, although anyone who wants firm, flat support will probably find it too soft.
What sizes does the Bodyshape Boost 800 Pocket Memory come in?
It comes in a UK single, UK small double, UK double, UK king and UK super king. Every size is 25cm deep. The UK king is 150 x 200cm and the UK super king is 180 x 200cm.
How deep is the Bodyshape Boost 800 Pocket Memory?
It's 25cm deep in every size. That's the depth of the mattress alone, so check your bed frame and bedding allow for it before you order.
Does the Bodyshape Boost 800 Pocket Memory have a trial or guarantee?
Mattress Online offers a 100-night comfort trial, which requires you to buy a mattress protector from Mattress Online. The mattress also comes with a 1-year guarantee, so read the terms before you buy.
Is the Bodyshape Boost 800 Pocket Memory good for hot sleepers?
It has some help for warmth: a layer of soft white fibres encourages airflow and the knitted cover is breathable. Memory foam can hold heat though, so very hot sleepers may want a cooler build.
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