Firmness
Type
Pocket Spring
Depth (cm)
29
Number of Layers
5
Trial Period (nights)
Warranty (years)
10
Price Range
£699 to £1,099
Best Sleeping Position(s)
Certifications
Assessed from the specification published by MattressNextDay, captured September 2026, and from regular price comparison across our UK retail partners.
The main appeal here is genuine firm support paired with breathable natural fillings. Sustainably sourced Somerset wool regulates temperature, which means fewer sweaty nights if you tend to overheat, and the cotton layer adds natural comfort alongside it. The 2500 pocket springs include additional mini springs for closer support, so pressure relief should feel more precise than a basic sprung mattress. It carries a Relyon 10-year guarantee as stated on the MattressNextDay listing, plus hypoallergenic credentials and fire resistance certified to BS7177: 2008. Yes, it's a firm mattress and not a plush one, but if firm is what your back needs, the wool and cotton stop it feeling harsh on the surface.
Key Features & what's inside
- Belgian Damask Viscose Sleep Surface. A silky, breathable cover that helps keep the sleep surface feeling fresh. It's the first thing you'll feel, and it's noticeably softer than the firm rating might suggest.
- Sustainably Sourced Somerset Wool. Wool is naturally breathable and gently cushioning, which means it helps regulate your temperature through the night. It also gives the firm build a touch of resilient comfort at the surface.
- Soft White Fibres. These fibres are made from 100% polyester, chosen for recovery and durability. In practice, that means the comfort layers should hold their shape rather than flattening quickly.
- Cotton. A natural filling that helps regulate body temperature and adds a layer of support. Combined with the wool above it, this keeps the mattress breathable throughout.
- 2500 Pocket Springs. Each spring sits in its own fabric pocket and works independently, which means better pressure relief and less motion transfer than an open coil unit. Additional mini pocket springs provide closer, more responsive support.
Layer details from mattressnextday.co.uk product page, September 2026.
Who's it NOT for?
This is a firm mattress, so lightweight side sleepers may find it a little too unyielding on the shoulders and hips. It's delivered flat rather than rolled, which makes it heavier to manoeuvre up narrow stairs. And if you want a memory foam hug, the springy, natural-filled feel here is quite different.
Relyon Wallbridge Ortho 2500 Wool Mattress
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Is the Relyon Wallbridge Ortho 2500 firm or soft?
It's rated firm. The wool, cotton and polyester fibre layers soften the surface slightly, but the underlying support is properly firm, which suits back sleepers and anyone who finds softer mattresses leave them sinking too far.
Does the Relyon Wallbridge Ortho 2500 come with a guarantee?
The MattressNextDay listing states a Relyon 10 Year Guarantee. No trial period is stated on that page, so check the returns terms with whichever retailer you buy from before ordering.
Is the Relyon Wallbridge Ortho 2500 good for hot sleepers?
It should be. The Somerset wool and cotton fillings are naturally breathable and help regulate temperature, and the viscose cover is designed for a fresher sleeping environment. Sprung, natural-filled mattresses like this generally sleep cooler than foam-dominant designs.
What sizes does the Relyon Wallbridge Ortho 2500 come in?
It's available in UK Single, Double, King and Super King, priced from £699.00 up to £1,099 depending on the size you choose.
Is the Relyon Wallbridge Ortho 2500 delivered rolled up?
No, it arrives flat rather than rolled and boxed, which is normal for a traditionally built pocket sprung mattress. MattressNextDay lists free next-day delivery as a retailer offer, so delivery terms may differ elsewhere.
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