Simba Hybrid Inter 1500 Pocket Mattress
Mattress
Simba Hybrid Inter 1500 Pocket Mattress
Size
Firmness
Medium Firm
Construction
Depth (cm)
23
Layers
5
Layer Details
- Knitted top cover. A 500g knitted cover with a zip-off, washable sleep surface. That means you can keep the top of the mattress genuinely fresh rather than just airing it.
- Aerocoil® microsprings. Up to 1,500 conical 25mm pocket springs made from titanium alloy, manufactured in Leeds and enclosed in a polypropylene pocket. Each spring moves independently, which means the mattress responds to your shape rather than tilting you towards a partner.
- Simbatex® foam comfort layer. Open-structure CertiPUR® foam infused with graphite to dissipate heat. In practice, this means warmth is drawn away from you rather than building up under your back.
- CertiPUR® foam comfort layer. A further CertiPUR® foam layer for cushioning. CertiPUR® certification means the foam contains no heavy metals such as mercury or lead.
- Support base. A seven-zoned CertiPUR® foam base. The zoning gives firmer support under heavier areas like your hips and a slightly softer feel at your shoulders.
Layer details from simbasleep.com product page, September 2026.
- Space beats any comfort layer: With 90cm each for two people sharing, most partner disturbance is solved by distance alone before the springs even get involved.
- Microsprings work best with room to spare: The conical Aerocoil® springs respond to pressure independently, and across 180cm of width one sleeper's tossing barely registers on the other side.
- Room for the whole household: When a child pads in at 3am, or the dog treats the bed as home, this size means nobody ends up clinging to an edge.
- A sensible weight of mattress to handle: At 23cm deep this is shallower than many hybrids, which limits that hotel-tall look but makes a mattress this wide easier to rotate and dress.
- Fills a large master properly: In a big room or period bedroom where a UK king looks lost against the wall, the extra width sits in better proportion.
This size suits you if...
You share the bed every night and want the disturbance-free spread that only 90cm each provides, your children or pets regularly join you and everyone still needs a fair share, or your master bedroom is large enough that a UK king would look undersized in it.
Consider another size if...
Your bedroom falls short of the 3m x 2.9m we'd suggest as a minimum, or you'd struggle to get a 180cm-wide mattress up the stairs. The UK king would suit you better: 30cm narrower, still generous for two.
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Is the Simba Hybrid Inter 1500 super king good for restless couples?
Yes, arguably more than any comfort layer could be. With 90cm each for two people sharing, a fidgeting partner is simply further away, and the Aerocoil® microsprings move independently so what movement remains doesn't travel across the bed. If one of you is a genuinely light sleeper, this size is the strongest case for this mattress.
How much bigger is the super king Simba Hybrid Inter 1500 than the UK king?
The UK super king is 30cm wider than the UK king, at 180 x 200cm against 150 x 200cm. Length is identical, so the gain is all in width, spread between the two of you. It sounds modest on paper, but it's the difference between sharing comfortably and sharing carefully.
Can two adults and a child share the Simba Hybrid Inter 1500 super king?
For the occasional night-time visitor, comfortably. At 180cm wide there's genuine room for a small third body without either adult hanging off the edge, and the seven-zoned base supports different weights across the surface. Large dogs who consider the bed theirs are also far easier to accommodate at this width than on a UK king.
Is a super king too big for an average UK bedroom?
Often, yes. We'd suggest a room of at least 3m x 2.9m, with around 3.5m x 3.2m feeling right once you add bedside tables and walking space. In a loft conversion, check the sloping ceiling doesn't rule out the only wall wide enough. Measure door swings and landing turns too, because a 180cm mattress bites hardest there.
Where can I buy the Simba Hybrid Inter 1500 in a super king?
Compare the retailers listed on this page. The prices shown here are updated as retailers change them, so it's worth checking back rather than assuming yesterday's price still stands. Super king bedding is a separate cost to factor in: you'll need super king sheets and a 260 x 220cm duvet, which fewer shops stock.