Sealy Elevate Ultra Daito King Size Mattress
The Sealy Elevate Ultra Daito Mattress pairs a MemoryFlex comfort layer with a firm overall feel, which means you get pressure relief on top of firm, steady support underneath.
- Firm, supportive feel
- Eases pressure at hips & lower back
- Cool-to-touch cover
£2,099
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Sealy Elevate Ultra Daito Mattress
More available sizes
Mattress details
Mattress
Sealy Elevate Ultra Daito Mattress
Size
Firmness
Firm
Construction
Foam
Memory Foam
Open Coil Spring
Depth (cm)
31
Layers
3
Layer Details
Sealy medium foam
A top layer of Sealy medium foam, described as soft yet supportive. It takes the edge off the firm rating so the surface feels a little more welcoming when you lie down.
MemoryFlex comfort layer
A full layer of MemoryFlex that adapts to your body shape. It gives pressure relief, so your shoulders and hips are cushioned rather than pushed back against.
MemorySense ComfortCore
A core that focuses on heavier areas like the hips and lower back. That means support is tailored to where your body needs it most.
Layer details from crushedvelvetbedstore.co.uk product page, November 2026.
Key benefits
- More room each than a double: Sharing a UK king gives you 75cm each, which is 7.5cm more per person than the UK double, so elbows and knees meet less often.
- Length for taller partners: At 200cm long, the UK king is 10cm longer than the UK double, which means feet stay on the mattress rather than resting at the edge.
- Fewer early-morning wake-ups: If one of you is up hours before the other, the extra width puts a little more distance between you as they climb out.
- Firm support across a wider surface: The firm rating with a MemoryFlex layer above it means both sides get support at the hips and lower back, with cushioning that adapts to each sleeper.
- Space without super king demands: The UK king is 30cm narrower than the UK super king, so it fits rooms where the bigger size would crowd out bedside tables.
This size suits you if...
You share the bed every night and keep bumping into each other on a UK double, or one of you is approaching six foot and wants the extra 10cm of length, or you're on different schedules and want a little more distance when one of you gets up early.
Consider another size if...
Your bedroom is smaller than our suggested 2.7m x 2.9m. We'd recommend the UK double instead, which needs at least 2.6m x 2.8m.
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FAQ's
How much room does each person get on a Sealy Elevate Ultra Daito UK king?
Two people sharing get 75cm each on the UK king. That's 7.5cm more each than the UK double, which gives 67.5cm per person, and 15cm less each than the UK super king at 90cm per person.
Is a UK king Sealy Elevate Ultra Daito long enough for someone over 6ft?
The UK king is 200cm long, 10cm longer than the UK double and the UK single. If one of you is tall, that extra length is often the real reason to size up, since it lets you lie straight without your feet reaching the edge.
What size bedroom do I need for a Sealy Elevate Ultra Daito king size?
We suggest allowing at least 2.7m x 2.9m for the UK king, with 3.2m x 3.2m feeling comfortable. New build master bedrooms can feel smaller once wardrobes go in, so measure around fitted furniture before deciding.
Should we get the Sealy Elevate Ultra Daito in a king or super king?
The UK super king gives 90cm each against 75cm on the UK king, and both are 200cm long. If your room comfortably clears our suggested 3m x 2.9m for the UK super king and you want maximum space, size up. Otherwise the UK king offers a sensible middle ground.
Will a UK king help if my partner and I disturb each other?
The UK king puts more space between you than a UK double, with 75cm each rather than 67.5cm. That extra room helps when one partner shifts position often, such as during pregnancy, or gets up much earlier. The firm feel also gives a steady surface to lie on.