Relyon Isabelle 2000 Pocket Mattress
Mattress
Relyon Isabelle 2000 Pocket Mattress
Size
Firmness
Firm
Construction
Depth (cm)
29
Layers
5
Layer Details
- Damask cover. A damask cover, which is a finely woven and durable fabric, forms the sleep surface. It is soft to the touch.
- Wool. A layer of natural wool sits beneath the cover for cosy, cushioned comfort. Wool also helps regulate temperature naturally.
- Soft White Fibres. Soft white fibres increase airflow through the mattress. This works alongside the wool to keep the sleeping temperature steadier.
- Mini Pocket Springs. Small, individually cased springs sit above the main spring unit. They add a gentle, contouring layer of pressure relief before you reach the firmer support below.
- Pocket Springs. The main support comes from 2,000 individual springs encased in cloth pockets. Each spring moves independently, which means support is distributed to each part of your body and a restless partner is less likely to wake you.
Layer details from mattressonline.co.uk product page, September 2026.
- 90cm each, every night: Two people sharing get 90cm apiece, which means turning over, stretching out or starfishing rarely crosses into the other side of the bed.
- Independent springs at full width: Each of the 2,000 springs is cased in its own cloth pocket, so movement on one side stays on one side, and the extra width doubles that isolation.
- Space for night-time visitors: Children wandering in during the small hours, or a large dog who considers the bed home, still leave adults with a workable share of the surface.
- Firm support across the whole surface: The firm main spring unit keeps its supportive feel edge to edge, with mini pocket springs adding a little contouring softness before you reach it.
- Wool that breathes: Natural wool and soft white fibres sit above the springs, which helps two warm bodies stay at a steadier temperature through the night.
This size suits you if...
You share the bed every night and have run out of room in a UK king, your sleep is regularly interrupted by a partner who moves a lot, or your household includes children or pets who treat your bed as theirs. Your room should measure at least 3m x 2.9m, and closer to 3.5m x 3.2m if you want space to walk around it comfortably.
Consider another size if...
Your bedroom falls short of our suggested 3m x 2.9m minimum, or you mostly sleep alone. We'd recommend the UK king instead: it's 30cm narrower, the same length, and we suggest at least 2.7m x 2.9m for it.
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Will the Relyon Isabelle 2000 super king fit up my stairs?
It needs checking before you order. At 180 x 200cm and 29cm deep, a pocket spring mattress can't be folded or squashed the way foam can, so measure your stairwell, any landing turns and the bedroom door swing first. If access is tight, check with the retailer listed on this page before committing.
How much space does each person get on the super king Isabelle 2000?
90cm each for two people sharing. That's 15cm more per person than the UK king provides, and because the 2,000 pocket springs respond to each sleeper independently, that extra distance makes a partner's tossing and turning noticeably easier to sleep through.
What room size do I need for a super king mattress?
We suggest at least 3m x 2.9m, with around 3.5m x 3.2m feeling more comfortable once you add bedside tables and walking space. In a loft conversion, check the sloped ceiling too: the wall the bed sits against decides whether a 180cm-wide frame actually works.
Is the super king a good choice for co-sleeping with children?
It's the most practical standard size for it. With 180cm of width, a child arriving at 3am still leaves both adults a reasonable share, and the firm pocket spring support holds up well under uneven, shifting weight. One caveat: an owner review mentions weaker springs at the edges, so persistent edge-sitters should bear that in mind.
Is a super king the same size as two singles pushed together?
In width, yes: 180cm matches two 90cm UK singles side by side, the footprint zip and link beds use. The Isabelle 2000 super king is a single one-piece mattress though, so there's no join down the middle, but it's also heavier and less forgiving to move upstairs than two halves would be.