Firmness
Type
Pocket Spring
Depth (cm)
29
Number of Layers
5
Trial Period (nights)
100
Warranty (years)
7
Price Range
£2,499 to £5,099
Best Sleeping Position(s)
Certifications
Assessed from the specification published by Feather & Black, captured September 2026, and from regular price comparison across our UK retail partners.
Two things set the Conrad apart. First, the fillings: mohair, cotton, hemp, flax and British wool, layered so the mattress insulates in winter and breathes in summer. Second, the springs: 10,590 of them, combining high-density micro, Posturfil and Cortec pocket springs, and the Cortec technology is 100% recycled and zero waste, which means responsive support with a lighter environmental footprint. Feather & Black, the retailer listing this model, offers free two-man delivery to your room of choice, a 100-night comfort promise and a 7-year guarantee, though those terms are the retailer's own rather than Harrison Spinks'. Sizes run from UK Single up to Emperor, so larger bed frames are catered for.
Key Features & what's inside
- Mohair. Soft mohair sits near the sleep surface, which means a luxurious feel underneath you. It also helps regulate temperature through the night.
- Wool. Naturally insulating British wool keeps you warm in winter. It's a traditional filling for good reason.
- Cotton. Breathable cotton draws heat away in summer. Paired with the wool, it means the mattress adapts across the seasons rather than trapping warmth.
- Hemp and Flax. Hemp and flax add further natural loft alongside the mohair, cotton and wool. These plant fibres round out an entirely natural filling stack.
- Pocket Springs. 10,590 responsive springs form the support core, combining high-density micro, Posturfil and Cortec pocket springs. Each spring moves independently, which means support that follows your shape and less disturbance from a restless partner.
Layer details from featherandblack.com product page, September 2026.
Who's it NOT for?
With a starting price of £2,499, this is not a budget buy, and lighter spenders will find capable mattresses for far less. The listed variant is the Firm tension, so lightweight side sleepers may find it a little unforgiving, although Soft and Medium versions exist. Memory foam fans should look elsewhere: there's no foam here at all.
Harrison Spinks Conrad Mattress
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How many springs does the Harrison Spinks Conrad have?
The Conrad contains 10,590 pocket springs, made up of high-density micro, Posturfil and Cortec springs. The Cortec spring technology is 100% recycled and zero waste, which means a supportive core with less environmental impact.
What is the Harrison Spinks Conrad made of?
The fillings are entirely natural: mohair, British wool, cotton, hemp and flax, layered over 10,590 pocket springs. The mattress is 29cm deep. There's no memory foam or synthetic padding, which means better breathability if you tend to sleep warm.
Does the Harrison Spinks Conrad come with a trial or guarantee?
Feather & Black, the retailer listing this mattress, offers its own 100-night comfort promise and a 7-year guarantee. These are the retailer's terms rather than Harrison Spinks' own, so check the details if you're buying elsewhere.
What sizes does the Harrison Spinks Conrad come in?
Six sizes are available: UK Single, Small Double, Double, King, Super King and Emperor. Prices range from £2,499 to £5,099 depending on the size you choose.
Is the Harrison Spinks Conrad firm?
The variant on Feather & Black's listing is the Firm tension, though the page doesn't describe exactly how firm it feels. Soft, Medium and Ortho Extra Firm tensions are also available, so most sleeping styles can find a suitable option.
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