Coolflex Hybrid ICE Super King Mattress
The Coolflex Hybrid ICE is a 26cm medium firm hybrid that pairs cool gel-infused memory foam with over 800 pocket springs, which means you get the pressure-relieving hug of foam without the heat build-up foam is known for.
- Cool gel foam for hot sleepers
- Support adjusts to shoulders & hips
- Medium-firm feel suits most sleepers
£529
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Coolflex Hybrid ICE Mattress
More available sizes
Mattress details
Mattress
Coolflex Hybrid ICE Mattress
Size
Firmness
Medium Firm
Construction
Foam
Pocket Spring
Hybrid
Memory Foam
Depth (cm)
26
Layers
3
Layer Details
Knitted Cover
A soft knitted cover that is breathable, which means heat can escape rather than gathering at the surface. It helps keep you at an even temperature all night.
Cool Gel Memory Foam
A thick layer of cool gel-infused memory foam that gives you the contouring and pressure relief of standard memory foam. The gel infusion helps maintain optimum body temperature, so you sink in without overheating.
Pocket Springs
The foundation is over 800 individually wrapped pocket springs, each moving independently. That means bespoke, targeted support for each part of your body rather than a one-size response.
Layer details from mattressnextday.co.uk product page, September 2026.
Key benefits
- Real distance from a restless partner: With 90cm each for two people sharing, a tosser and turner ends up far enough away that most disturbance never reaches you.
- Springs that keep movement local: Over 800 pocket springs move independently, which means your side barely registers when your partner shifts, useful when you finally have this much width between you.
- Room for midnight visitors: When a child pads in at 3am, or the dog treats the bed as routine, a UK super king means everyone keeps a workable share.
- Cooling that suits shared beds: Two bodies generate more heat than one, so the gel-infused foam and breathable knitted cover matter more here than in any smaller size.
- The widest standard UK size: At 6ft x 6ft 6in, this is as much sleeping space as UK retailers stock as standard, and it fills a large master properly where a UK king can look lost.
This size suits you if...
You share the bed every night and want the most space a standard UK size offers, your partner is genuinely restless and distance matters more to you than any mattress technology, or children and pets regularly join you and everyone still needs their own patch. Your bedroom should measure at least 3m x 2.9m, and around 3.5m x 3.2m feels more comfortable once wardrobes and bedside tables go in.
Consider another size if...
Your room falls short of our suggested 3m x 2.9m minimum, or you'd struggle to get a 180cm-wide mattress up the stairs. We'd recommend the UK king instead: it's 30cm narrower, the same length, and needs at least 2.7m x 2.9m.
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FAQ's
Will a UK super king Coolflex Hybrid ICE fit in my bedroom?
The mattress measures 180 x 200cm, and we suggest a room of at least 3m x 2.9m, with around 3.5m x 3.2m feeling right once you add furniture and walking space. Measure door swing and any landing turns too: a mattress this wide is often harder to move through the house than to house.
Is the super king Coolflex Hybrid ICE worth it for a restless partner?
This is the size where a fidgety sleeper stops being a problem. You each get 90cm of width, and the 800-plus individually wrapped pocket springs respond to each body separately, so movement on one side doesn't travel far. If disturbance is your main complaint, the extra width does more than any comfort layer could.
Is the Coolflex Hybrid ICE super king good for families who share the bed?
It's the size we'd point you to if children wander in at night or a large dog has claimed a spot. At 6ft x 6ft 6in there's enough room for an extra small body without anyone hanging off the edge, and the springs adjust to each sleeper's weight individually.
Does the Coolflex Hybrid ICE sleep cooler in a bigger size?
The cooling layers are the same in every size, but a UK super king helps in practice: two people spread across 180cm of width share less body heat than they would in a smaller bed. The gel-infused foam and breathable knitted cover then deal with what's left. Warm-sleeping couples get the best of both.
How much bigger is the super king than the king Coolflex Hybrid ICE?
The UK super king is 30cm wider than the UK king, and the two are the same length. That extra width is roughly a bedside table's worth of sleeping space added between you. The UK king needs a room of at least 2.7m x 2.9m, against 3m x 2.9m for the UK super king.