Relyon Hand Crafted Sublime Super King Mattress
The Relyon Hand Crafted Sublime is a pocket spring mattress built around twin-layer pocket spring technology, with 2400 individually moving springs in total, each nested in its own fabric pocket.
- Eases pressure at shoulders & hips
- Firmer support under your lower back
- Minimises partner disturbance
£4,393.65
Get the lowest price we've found
Save with the previous model
Some retailers still sell the earlier version of this mattress for less than the current model's best price.
Relyon Hand Crafted Sublime Mattress
More available sizes
Mattress details
Mattress
Relyon Hand Crafted Sublime Mattress
Size
Firmness
Construction
Pocket Spring
Depth (cm)
Layers
2
Layer Details
Pocket Springs
The first layer contains individually moving springs, each nested in its own fabric pocket, which means every spring compresses on its own rather than pulling its neighbours with it. You feel this as support that follows the shape of your body and less disturbance from a partner's movement.
Pocket Springs
A second layer of pocket springs sits as part of the twin-layer design, adding a further level of independent response. The retailer's listing gives a total of 2400 springs across the mattress but doesn't specify how they're split between the two layers.
Layer details from mattressman.co.uk product page, September 2026.
Key benefits
- 90cm each for two people sharing: That's a single bed's worth of width per person, which means a restless partner is far away enough to become easy to ignore.
- Pocket springs that keep movement local: Each of the 2400 springs compresses on its own, so a turn on one side of this wide mattress barely registers on the other.
- Room for the whole household: When children or a large dog find their way in most nights, the 180cm width means everyone still gets a fair share.
- Twin-layer support across the full 6ft: Two layers of independently moving springs give closer contouring at the shoulders and hips wherever you settle on such a broad surface.
- Suited to rooms a UK king can't fill: In a period property or a generous new build master, the extra 30cm of width stops the bed looking lost in the space.
This size suits you if...
You share the bed every night and want the most sleeping space a standard UK size offers, your partner is genuinely restless and distance matters more to you than any comfort layer, or children and pets treat your bed as theirs and you need everyone to fit. Your room should measure at least 3m x 2.9m, with around 3.5m x 3.2m feeling comfortable.
Consider another size if...
Your bedroom is smaller than our suggested 3m x 2.9m minimum, or the bed would crowd out wardrobes and door swing. We'd recommend the UK king instead: it's 30cm narrower, the same length, and needs at least 2.7m x 2.9m.
Similar Mattresses in This Price Range
Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
FAQ's
Is the Relyon Hand Crafted Sublime super king good for couples?
It's arguably the best size of this mattress for sharing. You get 90cm of width each, and because the 2400 pocket springs move independently, one person's fidgeting stays on their side. If either of you is a light sleeper, the combination of distance and isolated movement makes a real difference.
Should I choose the Relyon Sublime in a UK king or a UK super king?
The UK super king is 30cm wider than the UK king, and the two are the same length. Sharing a UK king gives you 75cm each; the UK super king gives 15cm more per person. If your room clears our suggested 3m x 2.9m minimum and you share regularly, the extra width is usually worth having.
What room size do I need for the Relyon Sublime super king?
We suggest at least 3m x 2.9m, with around 3.5m x 3.2m feeling right once you add bedside tables and space to walk around. Measure door swing and any landing turns too: a 180 x 200cm mattress is unforgiving in tight hallways and loft staircases.
Does the super king Relyon Sublime work for families sharing with children?
Yes, this is the size where a wandering child at 3am stops being a crisis. At 180cm wide, an extra small body, or a large dog with established habits, still leaves both adults a workable share. The independent pocket springs also mean a child climbing in disturbs the far side less than you'd expect.
Where can I buy the Relyon Hand Crafted Sublime in a UK 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 if you're not buying immediately. This is a luxury handcrafted mattress and the super king sits at the top of its size range, so a little patience on price can pay off.