Sealy Alston Gel Advantage Pillow Top King Size Mattress
The Sealy Alston Gel Advantage Pillow Top Mattress combines a Geltex breathable comfort layer with a pillow top, which means extra surface cushioning on a medium-rated mattress, with less trapped heat.
- Cushioned pillow top surface
- Breathable gel comfort layer
- Reinforced edges for steadier sides
£689
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Sealy Alston Gel Advantage Pillow Top Mattress
More available sizes
Mattress details
Mattress
Sealy Alston Gel Advantage Pillow Top Mattress
Size
Firmness
Medium
Construction
Foam
Gel
Depth (cm)
29
Layers
Layer Details
Key benefits
- More room each: At 75cm per person, the UK king gives you 7.5cm more each than the UK double, which means a little more space before an elbow or knee reaches your partner.
- Length for taller sleepers: The UK king is 200cm long, 10cm longer than the UK double, so a partner over six foot is less likely to end up with their feet off the end.
- Steadier sides on a wider bed: The Edge Guard border is high-density foam, which means the outer part of each side should feel steadier, so you can use more of your 75cm.
- Less heat build-up for two: Two people warm a bed quickly, and the Geltex layer is an open-cell gel and foam blend that should breathe better and trap less heat.
- Easier to rotate at this size: Turning handles help you rotate a 150 x 200cm mattress to even out wear on both halves, although it is single-sided, so you can't flip it.
This size suits you if...
You share the bed every night and one of you gets up hours before the other, or one partner is over six foot and the UK double leaves their feet hanging. Your bedroom should also give you at least 2.7m x 2.9m, which is the minimum we suggest for a UK king.
Consider another size if...
Your bedroom is smaller than the 2.7m x 2.9m we suggest for a UK king. The UK double would suit you better, and we suggest at least 2.6m x 2.8m for it.
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FAQ's
Is the Sealy Alston UK king long enough for someone over six foot?
The UK king is 200cm long, 10cm longer than the UK double, which gives a tall sleeper more room at the foot of the bed. The UK super king is the same length, so sizing up beyond the UK king adds width, but no extra length.
How much space does each person get on a UK king Sealy Alston Gel Advantage Pillow Top?
Each of you gets 75cm, which is 7.5cm more than on the UK double. If you want more than that, the UK super king gives 90cm each, which is 15cm more per person, but it needs a noticeably larger room.
Will a UK king Sealy Alston fit in a new build master bedroom?
We suggest allowing at least 2.7m x 2.9m, with 3.2m x 3.2m comfortable. New build master bedrooms often feel smaller once fitted wardrobes are in, so measure the floor that is actually free, including where wardrobe doors swing open.
What size duvet and sheets fit a king size Sealy Alston pillow top?
You need king size sheets and a 230 x 220cm king duvet. The mattress is 29cm deep including the pillow top, so check that your fitted sheet has deep enough pockets to tuck under comfortably.
Should we get the Sealy Alston in a super king instead if we wake each other up?
The UK super king gives 90cm each against 75cm on the UK king, so there is more distance between you. It needs at least 3m x 2.9m, though. If your room allows it and you keep disturbing each other, the extra width may suit you better.