Firmness
Medium Soft
Type
Pocket Spring
Depth (cm)
35
Number of Layers
5
Trial Period (nights)
100
Warranty (years)
5
Price Range
£652 to £1,178
Best Sleeping Position(s)
Certifications
Assessed from the specification published by Mattress Online, captured September 2026, and from regular price comparison across our UK retail partners.
This mattress suits sleepers who want a plush, cushioned surface without giving up proper spinal support. The Eco Comfort Fibre and micro-quilted layers give a soft, quilted feel on top, while the pocket spring core does the structural work underneath, so side sleepers in particular should find pressure relief at the shoulders and hips. Hot sleepers get two cooling features working together: the moisture-wicking Coolmax cover and the Airmesh airflow layer. It's hypoallergenic and handcrafted in the UK, with a 5 year guarantee. If you buy through Mattress Online, they list a 100-night trial and free delivery to most mainland UK locations, though those are the retailer's terms rather than Silentnight's own.
Key Features & what's inside
- Coolmax Cover. A soft-touch Coolmax cover wicks moisture away from your body, which means less clamminess on warmer nights. It's the first line of temperature control before you reach the fillings.
- Microquilted Layer. The cover fabric is stitched directly into the filling beneath it, giving that plush, quilted surface feel. You'll notice it as a smooth, slightly pillowy first impression when you lie down.
- Eco Comfort Fibre. A finely packed layer of fibres made from recycled materials adds extra padding that cradles your body. It's where much of the mattress's soft, cushioned character comes from.
- Airmesh. Silentnight's 3D honeycomb Airmesh uses an open structure to let air move through the mattress. In practice, that means heat has somewhere to go rather than building up around you.
- Mirapocket Springs. The core holds 2000 Mirapocket springs alongside 1000 mini pocket springs, all made from durable steel. The mini springs target smaller, harder-to-reach areas like the lower back, so support feels more tailored than a single-spring system.
Layer details from mattressonline.co.uk product page, September 2026.
Who's it NOT for?
If you prefer a firm, supportive-feeling surface, this is on the softer side of medium, and the plush boxtop may feel too forgiving. Heavier sleepers who need a firmer platform, and strict back sleepers who like minimal sinkage, may be better served elsewhere. At 35cm deep, check your fitted sheets will cope.
Silentnight Eco Comfort Airmesh 3000 Boxtop Mattress
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How firm is the Silentnight Eco Comfort Airmesh 3000 Boxtop?
The product page lists it as medium. With the plush quilted boxtop and Eco Comfort Fibre padding, it leans towards the softer, more cushioned end of medium, which suits side sleepers and anyone who likes a gentler surface feel.
How many springs does the Eco Comfort Airmesh 3000 have?
It contains 3000 springs in total: 2000 full-size Mirapocket springs and 1000 mini pocket springs. The mini springs sit where finer support is needed, targeting delicate areas for a more personalised feel.
Is the Silentnight Eco Comfort Airmesh 3000 good for hot sleepers?
It has two features aimed at temperature. The Coolmax cover wicks moisture away to reduce humidity, and the 3D honeycomb Airmesh layer allows greater airflow through the mattress, so it's a reasonable pick if you tend to overheat at night.
Does the Silentnight Eco Comfort Airmesh 3000 come with a trial?
Mattress Online lists a 100-night trial on this mattress, but that's the retailer's own offer rather than a Silentnight guarantee, so check the terms wherever you choose to buy. The mattress itself carries a 5 year guarantee.
What sizes does the Silentnight Eco Comfort Airmesh 3000 come in?
It's available in UK Single, Double, King and Super King, with prices from £652 to £1,178 depending on size. The mattress is 35cm deep, so it's worth checking your fitted sheets accommodate a deeper profile.
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