Vispring Hartley Mattress
The Vispring Hartley is a handmade natural mattress with a double layer of pocket springs, 2,240 in total, each nested in cotton calico, which means the springs respond to you individually rather than moving as one unit.
- Gentle give, firmer as you settle
- Silk & wool regulate temperature
- Works on slatted & sprung bases
£7,199
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The Vispring Hartley's pocket springs are topped with generous natural fillings: British fleece wool, cotton, bamboo, cashmere, silk, alpaca and Shetland wool. This is firmly luxury territory. It comes in Double, King and Super King, and Feather & Black states a 30-year guarantee with some exclusions. The listed tension is Firm, so lightweight side sleepers should think carefully before committing.
Mattress specifications
Firmness
Firm
Type
Pocket Spring
Depth (cm)
23
Number of Layers
4
Trial Period (nights)
Warranty (years)
30
Price Range
£7,199 to £8,799
Best Sleeping Position(s)
Back Sleeping
Stomach Sleeping
Certifications
Assessed from the specification published by Feather & Black, captured September 2026, and from regular price comparison across our UK retail partners.
Why should you choose this mattress?
You would choose the Hartley for its materials and construction rather than clever marketing. Two tiers of calico pocket springs give progressive support, which means gentle give at first contact and firmer resistance as you settle in. The all-natural filling blend breathes far better than synthetic foam, a genuine help if you sleep hot. An integrated insulator pad means it performs consistently on both slatted bedsteads and sprung bases, so you are less tied to a particular bed frame. Yes, it is a serious outlay, but the retailer-listed 30-year guarantee is far longer than most brands offer, which spreads that cost over a very long ownership.
Key features & layer details
Cover
An elegant damask cover with tailored handles and tape edging. The handles are a practical touch, as a mattress of this build is heavy to rotate.
Natural fillings
Generous layers of natural fillings including British fleece wool, cotton, bamboo, cashmere, silk, alpaca and layered Shetland wool. Wool and silk regulate temperature naturally, which means fewer overheated nights than you would get from foam.
Spring system
A double layer of Vispring pocket springs, individually nested in breathable cotton calico, 2,240 springs in all. Calico pockets allow air through and let each spring move independently, so you feel less of your partner's movement.
Insulator pad
An integrated insulator pad ensures the Hartley performs consistently on both slatted bedsteads and sprung bases. In practice, that means less worry about whether your existing frame will suit it.
Layer details from featherandblack.com product page, September 2026.
Best suited for?
Warm sleepers
Wool and silk regulate temperature naturally within the all-natural filling blend, which means fewer overheated nights than you would get from a foam mattress.
Couples
Each pocket spring sits in breathable cotton calico and moves independently, so you feel less of your partner's movement across the bed.
Back sleepers
Two tiers of pocket springs give progressive support under a Firm tension, which means a steady, level feel as you settle onto your back.
Heavier sleepers
A Firm tension over 2,240 pocket springs in a double layer gives solid resistance, which means heavier bodies get support without sinking too far.
At its starting price this is out of reach for most budgets, and cheaper mattresses will still serve many sleepers well. The listed Firm tension may feel too solid for lightweight side sleepers, who often need more give at the shoulder and hip. There is also no Single size, and no trial period is stated.
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.
Vispring Hartley Mattress
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FAQ's
How many springs does the Vispring Hartley have?
The Feather & Black listing states 2,240 pocket springs, arranged in a double layer. Each spring is individually nested in breathable cotton calico, which lets the springs respond to your body independently and helps air move through the mattress.
What is the Vispring Hartley made of?
The fillings are entirely natural: British fleece wool, cotton, bamboo, cashmere, silk, alpaca and Shetland wool, over a double layer of calico pocket springs. Natural fibres breathe well, which means better temperature regulation than synthetic foams, and the whole mattress is 23cm deep.
Does the Vispring Hartley come with a guarantee?
Feather & Black lists a 30-year guarantee, which is far longer than most brands offer. There is an asterisk noting exclusions apply, including mattresses used on a slatted base without a Vispring Mattress Pad, so check the terms before you buy.
Is the Vispring Hartley firm?
The tension listed at Feather & Black is Firm. That tends to suit heavier bodies and back or front sleepers, although lightweight side sleepers may find it a little too unyielding at the shoulders and hips.
What sizes does the Vispring Hartley come in?
It is available in UK Double, King and Super King. There is no Single option listed, so it will not suit anyone shopping for a smaller bed.
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