Harrison Spinks Gold 9500 Pocket Mattress (Soft to Medium Feel)
The Harrison Spinks Gold 9500 is a pocket spring mattress with a soft to medium feel, handcrafted in the UK from natural materials including traceable British wool, hemp, flax and cotton.
- Softer feel suits side sleepers
- Natural fillings, less heat build-up
- Mini springs tailor support to you
£1,069
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The Harrison Spinks Gold 9500 is 29cm deep and built around Harrison Spinks' Cortec Quad Revolution springs, layered with thousands of mini springs that contour closely to your shape. It comes in five UK sizes, from Single to Super King. It's a serious spend, but the natural fillings and spring engineering are the reason for it. MattressOnline lists a 100-night trial and a 5 year guarantee.
Mattress specifications
Firmness
Medium Soft
Type
Pocket Spring
Depth (cm)
29
Number of Layers
7
Trial Period (nights)
100
Warranty (years)
5
Price Range
£1,069 to £2,049
Best Sleeping Position(s)
Side Sleeping
Certifications
BS 7177
Assessed from the specification published by Mattress Online, captured September 2026, and from regular price comparison across our UK retail partners.
Why should you choose this mattress?
This mattress suits you if you want natural materials rather than foam. Wool, hemp, flax and cotton do the comfort work here, which means better breathability and less heat build up than synthetic layers, so it's a sensible pick if you sleep warm. The gentler soft to medium feel favours side sleepers and lighter bodies who need the surface to give a little at the shoulders and hips. The mini springs sit close together and hold more points of contact with your body, so support feels tailored rather than uniform. It conforms to BS7177: 2008 for home use, and Harrison Spinks is a National Bed Federation Approved Brand.
Key features & layer details
Wool comfort layer
A plush layer of 100% traceable British wool sits at the top, which means a naturally insulating and breathable sleep surface. Wool helps regulate temperature rather than trapping heat.
Blended natural fibres
Layers blending wool, hemp and flax improve the breathability of the mattress. In practice, that helps keep you at a comfortable temperature through the night.
Moisture-wicking layer
An additional layer of cotton, hemp and flax wicks away moisture, which reduces heat building up around you. Useful if you tend to wake up warm.
Ecotex durability layer
A layer of Ecotex fibres adds durability, helping the comfort layers above hold their shape over time.
Posturfil mini springs
A layer of 1,000 Posturfil springs reacts instantly to movement, which means the surface adjusts as you shift position rather than leaving you to settle into a dip.
Mini springs
A further 7,500 mini springs create more points of contact with your body, contouring closely to your shape. That's what gives the personalised, cradling feel.
Cortec Quad Revolution springs
The base support comes from 1,000 of Harrison Spinks' Cortec Quad Revolution springs: mini springs placed inside regular springs, pocketed individually and secured in groups of four. This delivers adaptive, responsive support underneath the softer comfort layers.
Layer details from mattressonline.co.uk product page, September 2026.
Best suited for?
Side sleepers
The soft to medium feel lets the surface give a little at the shoulders and hips, so your body can settle in comfortably on its side.
Warm sleepers
Wool, hemp, flax and cotton layers wick away moisture and improve breathability, which means less heat building up around you through the night.
Lighter sleepers
A gentler tension suits lighter bodies, and the 7,500 mini springs contour closely to your shape so the surface responds without feeling hard.
Eco-conscious buyers
Natural fillings do the comfort work here, including 100% traceable British wool, so you get a spring mattress built around natural materials rather than foam.
Combination sleepers
Posturfil springs react instantly to movement, which means the surface adjusts as you change position rather than leaving you stuck in a dip.
If you prefer a firm surface, or you're a heavier back or stomach sleeper who needs a flatter, more resistant feel, the soft to medium tension here may let you sink further than is comfortable. It's also a poor fit for tight budgets.
Save on an earlier or ex-display model
Some retailers still sell the earlier version of this mattress, or ex-display and returned stock at a lower price. These are the sizes where it costs less than the current model's best price.
Harrison Spinks Gold 9500 Pocket Mattress (Soft to Medium Feel)
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FAQ's
Is the Harrison Spinks Gold 9500 soft or firm?
It has a soft to medium feel, so it's on the gentler side. That suits side sleepers and lighter bodies who need pressure relief at the shoulders and hips, although heavier sleepers or anyone who prefers a firm surface may find it a little too yielding.
Does the Harrison Spinks Gold 9500 come with a trial?
MattressOnline lists a 100-night trial with this mattress. That trial is the retailer's own offer rather than a manufacturer promise, so if you buy elsewhere, check that retailer's returns terms before ordering.
How deep is the Harrison Spinks Gold 9500 mattress?
It's 29cm deep. That's a substantial mattress, so check your fitted sheets will stretch to accommodate it before it arrives.
What sizes does the Harrison Spinks Gold 9500 come in?
Five UK sizes: Single, Small Double, Double, King and Super King.
Is the Harrison Spinks Gold 9500 good for hot sleepers?
It's a strong option if you sleep warm. The comfort layers are wool, hemp, flax and cotton, all naturally breathable, and a dedicated moisture-wicking layer helps reduce heat build up. There's no memory foam here to trap warmth against you.
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