Firmness
Type
Pocket Spring
Depth (cm)
31
Number of Layers
3
Trial Period (nights)
Warranty (years)
10
Price Range
£4,499 to £5,999
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.
This mattress suits you if natural materials are non-negotiable. The fill is five fleeces of organic British lambswool with two layers of natural latex, which means breathable, springy comfort without synthetic foams, a real advantage if you sleep hot. ReActivePro 7-turn pocket springs shape themselves to your body and encourage natural spinal alignment, while three rows of hand-sewn side-stitching give proper edge-to-edge support, so you can use the full width of the bed without that roll-off feeling. The stated firmness is firm, which favours back and front sleepers or anyone who wants a supportive, traditional feel. Feather & Black lists free delivery on all orders and a 10-year guarantee.
Key Features & what's inside
- Sleep surface. An organic wool and cotton breathable sleep surface, which means a naturally temperature-regulating feel against you rather than a synthetic cover. It's finished with three rows of genuine hand-sewn side-stitching for edge-to-edge border support.
- Comfort layers. Five fleeces of organic British lambswool sit alongside two layers of natural latex and Adaptiv comfort springs. The wool wicks moisture and the latex adds gentle, responsive cushioning above the main springs.
- Support. ReActivePro 7-turn pocket springs respond to the shape of your body, encouraging natural spinal alignment. Because each spring moves independently, you're less likely to feel a partner shifting during the night.
Layer details from featherandblack.com 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 at the shoulder and hip. And at £4,499 to £5,999 it's a significant investment; if your budget sits well below that, you won't be short of good natural-fill alternatives at lower prices.
Hypnos Organics 3 Mattress
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Is the Hypnos Organics 3 mattress organic?
Yes, in the certified sense. It is Soil Association certified organic and endorsed by the Eden Project, with fillings that include organic British lambswool, organic cotton and natural latex, rather than simply being described as natural.
How firm is the Hypnos Organics 3?
It's listed as firm. That tends to suit back and front sleepers, and anyone who prefers a supportive, traditional sprung feel, although lightweight side sleepers may find it slightly too firm for comfortable pressure relief.
Does the Hypnos Organics 3 come with a guarantee?
The Feather & Black listing states a 10-year guarantee. As that term appears on a retailer's page rather than the brand's own site, it's sensible to confirm the guarantee with whichever retailer you buy from.
What sizes does the Hypnos Organics 3 come in?
It's available in UK Single, UK Double, UK King and UK Super King, priced from £4,499 up to £5,999 depending on the size you choose.
Is the Hypnos Organics 3 the same as the Origins Organic No.3?
They appear to be the same mattress. The Feather & Black product page describes it as the Origins Organic No.3 while listing it under the Hypnos Organics 3 name, so you may see either used by retailers.
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