Sealy Posturepedic Elevate Premier Gel Mattress
Mattress
Sealy Posturepedic Elevate Premier Gel Mattress
Size
Firmness
Firm
Construction
Depth (cm)
27
Layers
6
Layer Details
- Quilted cover. A traditional quilted cover treated with SmarTex and ProShield, which means it helps manage moisture and temperature while offering allergen relief. A sensible top layer if you're prone to sniffles.
- Geltex. A supremely breathable foam with an open-cell structure that reduces overheating. It also has excellent bounce back, so you won't feel stuck in one position.
- MemorySense ComfortCore. A core layer similar to memory foam that moulds around your body. This keeps joints, bones and muscles protected while you sleep.
- Dual firm foam layer. An additional stability layer. It adds to the firm, planted feel of the mattress as a whole.
- AlignSupport Coil Springs. Sealy's Posturepedic spring system, designed to align the spine by sensing and responding to your body weight. The springs are twice tempered, which means they hold their shape and resilience for longer.
- Base plank. A sturdy platform that supplies stable support for all the layers above. It helps avoid the mattress dipping in the middle over time.
Layer details from mattressonline.co.uk product page, September 2026.
- 75cm each for two sharing: Each of you gets 75cm of width, which means you can both settle into your own space on this firm surface without negotiating overnight.
- Less disturbance on different schedules: If one of you gets up hours before the other, the firm build and responsive AlignSupport springs keep movement contained across the wider surface.
- Extra length for taller sleepers: At 200cm, the UK king is 10cm longer than the UK double, a real difference if one of you is approaching six foot.
- Edge support you can use fully: UniCased XT reinforcement means the full 150cm width is usable, so sleeping near the side doesn't feel like sliding off.
- Firm support at couple scale: The Geltex layer breathes across the whole surface, so two bodies sharing the bed are less likely to build up heat between them.
This size suits you if...
You share the bed every night and a double has started to feel like a negotiation, one of you keeps different hours and the other feels every exit, or someone in the bed is tall enough that a standard 190cm mattress leaves feet at the edge. The UK king's 75cm each and 200cm length answer all three, and the firm feel suits back and front sleepers sharing it.
Consider another size if...
You sleep alone or your room falls short of the 2.7m x 2.9m we suggest for a UK king. The UK double needs a little less space, at least 2.6m x 2.8m, and would suit you better.
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Is the UK king Sealy Elevate Premier Gel big enough for two adults?
Yes, comfortably for most couples. At 150 x 200cm you get 75cm of width each, and the firm surface means you won't roll towards each other. Because the UniCased XT edges stay supportive right to the sides, you can use the full width rather than avoiding the perimeter.
Should I choose the UK king or the UK super king in this mattress?
The UK king is 30cm narrower than the UK super king; both are the same 200cm length. If you have a dog or child regularly joining you, the UK super king is the safer pick, provided your room meets the 3m x 2.9m we suggest for it. For most couples the UK king is enough.
What room size do I need for a UK king Sealy Elevate?
We suggest at least 2.7m x 2.9m. That leaves walking room on both sides and space to open drawers or wardrobes. New build master bedrooms can be tighter than they first appear once fitted storage goes in, so measure the usable floor rather than the room as listed.
Is the UK king long enough for someone over six foot?
Usually, yes. The UK king is 200cm long, 10cm more than the UK double, so a sleeper around six foot gets clearance rather than feet hanging over the base plank at the end. If you're well over six foot, sizing up won't help here: the UK super king is the same length.
Will this mattress in a king reduce partner disturbance?
It helps in two ways. The width gives you 75cm each, so an early riser can slip out from their own side, and the firm construction with twice tempered AlignSupport springs transfers less motion than a softer build. Across a 150cm surface, one person shifting position is far less noticeable.