Firmness
Type
Memory Foam
Depth (cm)
20
Number of Layers
5
Trial Period (nights)
120
Warranty (years)
10
Price Range
£349
Best Sleeping Position(s)
Certifications
Assessed from Mysa's published specification for this mattress, captured September 2026, and from regular price comparison across our UK retail partners.
If you're a hot sleeper who has been put off memory foam before, the Breeze is built for you: graphite-infused cooling foam and a breathable mesh cover work together to reduce the heat build-up foam is known for. The AeroSync Visco layer minimises motion transfer, which means you're less likely to feel a partner turning over in the night. A 7-zone support base keeps your spine aligned from shoulders to hips. The firm feel suits back and stomach sleepers particularly well. Yes, it's only 20cm deep, but the layered construction packs cooling, pressure relief and zoned support into that depth, and the £349 price reflects honest value rather than corners cut.
Key Features & what's inside
- BeFree® 3D mesh cover. A removable mesh cover the brand states is 40% more breathable than standard knits of the same weight. That means better airflow across the sleep surface and less trapped heat.
- AeroSpheric HR-GX® cooling foam. Open-cell foam infused with graphite spheres, which helps regulate your core temperature and wick away moisture. This is the layer doing most of the cooling work.
- AeroSync Visco foam. A viscoelastic layer that absorbs movement, which means a partner shifting position is far less likely to wake you. Couples will feel this benefit most.
- AeroSync HR-GX® multi-zoned comfort foam. This layer responds to the natural curves of your body across multiple pressure zones. In practice, that means less pressure on shoulders and hips and full-body tension relief.
- 7-zone support base foam. A targeted support core that reinforces key areas of the body. It promotes consistent spinal alignment from shoulders to hips through the night.
Layer details from mysasleep.co.uk product page, September 2026.
Who's it NOT for?
This is a firm mattress, so lightweight side sleepers may find it doesn't allow enough sink at the shoulder and hip. If you prefer a soft, cradling feel, or want a taller, more substantial mattress than 20cm, look elsewhere. It's also currently sold in UK King only, which rules out other bed sizes.
Mysa Breeze Memory Foam Mattress
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Is the Mysa Breeze mattress firm or soft?
Mysa describes the Breeze as firm. Owner reviews suggest it offers good firmness without feeling too hard, which suits back and stomach sleepers well, although lightweight side sleepers may find it a little too firm for comfortable pressure relief.
Does the Mysa Breeze sleep hot?
It's designed specifically not to. The BeFree® 3D mesh cover is 40% more breathable than standard knits of the same weight, according to Mysa, and the graphite-infused AeroSpheric foam is built to regulate temperature and wick moisture. If you're a hot sleeper, this is one of the mattress's main selling points.
Does the Mysa Breeze come with a trial and guarantee?
Yes. Mysa offers a 120-night trial, so you can sleep on it at home before committing, plus a 10-year guarantee against manufacturing faults.
How deep is the Mysa Breeze mattress?
It's 20cm deep, which is slimmer than some foam mattresses. That depth still contains five layers, including cooling foam, a motion-isolating layer and a 7-zone support base, but if you prefer a taller mattress this may not suit you.
How much does the Mysa Breeze cost and what sizes are available?
It costs £349 and is currently available in UK King only. Delivery is free across the UK as standard, with next-day delivery available when you order before 12pm.
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