Bodyshape Boost 800 Pocket Single Mattress
The Bodyshape Boost 800 Pocket Mattress pairs 800 individually pocketed springs with a Reflex foam comfort layer, which means you get a medium feel with some cushioning on top and springs that move independently below.
- Medium feel for most sleepers
- Reflex foam cushioning on top
- Breathable knitted cover
£189

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Bodyshape Boost 800 Pocket Mattress
More available sizes
Mattress details
Mattress
Bodyshape Boost 800 Pocket Mattress
Size
Firmness
Medium
Construction
Foam
Pocket Spring
Rolled
Depth (cm)
24
Layers
4
Layer Details
Microquilted comfort layer
A microquilted top filled with Reflex foam and cosy polyester fibres. It adds light cushioning over the springs, so the surface feels medium rather than hard.
Polyester fibre layer (above spring unit)
Dense polyester fibres sit above the spring unit. They add padding between you and the springs, so you feel the cushioning rather than the coils.
Pocket spring unit
800 individually pocketed springs, with the pockets secured together to form a single unit. Each spring works on its own, so the support follows your body.
Polyester fibre layer (below spring unit)
Dense polyester fibres sit below the spring unit. They form the underside of the mattress, between the springs and your bed base.
Layer details from mattressonline.co.uk product page, November 2026.
Key benefits
- Leaves room for the rest of the furniture: At 90cm wide, a UK single leaves space for a desk and a wardrobe in a child's bedroom, where the bed is usually competing with toy storage.
- Two beds for siblings sharing: A pair of UK singles can sit side by side with a walkway between them, so each child sleeps on their own springs without rolling into the other.
- A slim depth for raised frames: The 24cm depth is slimmer than many pocket spring mattresses, which helps on bunk and mid sleeper frames that set a maximum mattress depth to keep the rail effective.
- A safe feel for guests you can't ask: A medium rating means visitors of average build are unlikely to find a guest bed too hard or too soft, which matters when you're choosing for people you won't consult.
- Simple bedding: A standard single duvet at 135 x 200cm fits, and single sheets are easy to find, so kitting out a guest room or a first flat stays straightforward.
- Fits under a sloping ceiling: In a loft conversion, the narrow 90cm footprint lets the bed tuck in beneath the slope, where a wider size would eat into the headroom you need to stand up.
This size suits you if...
You sleep alone in a compact room where floor space is tight, or you're fitting a bunk or mid sleeper and need a mattress around 24cm deep. It also suits you if you're setting up a guest room with two separate beds rather than one shared one.
Consider another size if...
You share the bed or want more room to spread out than 90cm gives. We'd recommend the UK small double instead, 30cm wider at the same length; allow at least 2.4m x 2.8m for it.
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FAQ's
Will the Bodyshape Boost 800 Pocket UK single fit a bunk bed?
It may well, as it's 24cm deep, which is slimmer than many pocket spring mattresses. Bunk and mid sleeper frames each set their own maximum mattress depth so the safety rail stays high enough, so check the frame maker's figure against 24cm before you buy.
How much room do I need for a UK single Bodyshape Boost 800 Pocket?
We suggest allowing at least 2.1m x 2.8m of floor space. That leaves enough room to get in and out of bed and open a wardrobe door. This is our own guidance rather than Bodyshape's, so measure your room with any other furniture in place.
Is a UK single Bodyshape Boost 800 Pocket big enough for an adult?
For one adult of average build who sleeps fairly still, a UK single at 90 x 190cm works well. Taller sleepers may find 190cm a little short. The UK king is 10cm longer, though it needs much more space: we suggest at least 2.7m x 2.9m for the UK king.
What size duvet fits a Bodyshape Boost 800 Pocket single?
A standard single duvet, 135 x 200cm, fits, along with standard single sheets. Single bedding is the most widely stocked size in the UK, so swapping covers as a child grows, or buying a spare set for a guest bed, is easy.
Single or small double mattress for a teenager's bedroom?
If the room meets our suggested 2.4m x 2.8m and your teenager is growing quickly, the UK small double gives 30cm more width at the same length. In a tighter room, the UK single keeps space free for a desk, which most teenagers need just as much as the extra width.





