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★ 4.9/5 · 129 REVIEWS

96% of customers keep their mattress

Arthur Sleep Cool Pocket Mattress

Name: Cool Pocket
Brand: Arthur Sleep
SKU: 250471-836325
Price: 219 GBP
Availability: BackOrder
Rating: 4.9 (129 reviews)

4.9/5

Cooling gel foam greets you the moment you lie down, with 800 pocket springs giving tailored medium-firm support.

Medium Firm

Gel Foam

800 Pocket Springs

25cm depth

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£219

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Description

Cooling comfort the moment your head hits the pillow, with the Arthur Cool Pocket settling into your best night’s sleep yet has never been easier.

800 Pocket Springs For Tailored Support

Thanks to the impressive 20cm pocket springs, you’ll benefit from targeted support throughout the night, reimagining everything you thought you knew about comfort and support.Unlike mattresses with open-coil bases, each pocket spring reacts independently and in line with any movements. This allows for tailored support and excellent pressure relief all throughout the night, meaning you can wave goodbye to minor aches and pains and hello to soothing comfort. Immediately below and above the pocket-sprung base, the isolated pads add support and reduce movement transfer.Pocket-sprung mattresses are ideal for couples sharing a bed. By this we mean, have you ever felt movement on your side of the bed when your partner has moved in their sleep or is trying to get comfortable? If so, the Arthur Cool Pocket could provide the perfect solution.Because the springs only move in reaction to the pressure applied, any movements made elsewhere in the bed will have minimal impact on your sleep.

Cooling Comfort

As the name suggests, the Arthur Cool Pocket is all about next-level cooling comfort. Sink into a cosy yet breathable and cool bed every night, allowing you to sleep soundly, knowing you won’t overheat. This cool comfort is thanks to the gel foam layer. Gel foam offers that sink-in sensation similar to memory foam, but unlike memory foam, it doesn’t retain heat, ideal for those who tend to sleep hot. Similarly, the high-resilience layer of convoluted foam is designed to offer superior breathability whilst simultaneously providing pressure relief and support in key areas. The quilted fabric cover adds the finishing touch, which is sumptuous, soft and cosy for extra comfort and breathability.

Peace of mind

Excellent comfort and support are all well and good, but your mattress must stand the test of time. With this in mind, the non-woven fabric base cover protects the bottom of the mattress and ensures it remains sturdy.You can also sleep easily at night knowing that the pocket springs are protected, thanks to the compressed coil surround. The other advantage is edge-edge support, meaning you can utilise every inch of the bed without experiencing dips.

Will the Arthur Cool Pocket suit how I sleep?

This mattress features a medium firm tension and is suitable for those who sleep in various positions. It’s soft enough to gently support your hip and shoulder whilst side sleeping, yet firm enough for front and back sleepers. If you find that it’s not quite right for you, take comfort in knowing that any mattress purchased alongside one of our mattress protectors qualifies for a 60-night sleep trial.

Specifications

Dimensions

Available in 2 Showrooms

1 Year Guarantee

Flexible Credit Options

The Verdict

What 129 sleepers really think

Rated 4.9/5 from 129 verified reviews

The Arthur Sleep Cool Pocket mattress received positive feedback for its comfort, especially due to its medium-firm support, which caters to front and side sleepers effectively. Its hybrid construction, integrating springs with gel foam, offers a gentle softness while maintaining coolness. Many reviewers praised its good value for money, quality, and the noticeable improvement in their sleep quality. Some found it firmer than expected initially, but it softened with use.

AI-generated from the text of customer reviews

Why This Mattress

Why buy the Arthur Sleep Cool Pocket Mattress?

Every mattress is different. Scan for the ones that sound like you — if two or more fit, this is your mattress.

Best For

All Positions

Side one night, back the next?

A balanced feel that supports you whether you sleep on your side, back or front.

Helps with

Disturbance

Partner tosses and turns?

Springs that move independently absorb motion, so a restless partner is far less likely to wake you.

Helps with

Allergies

Wake up itchy or sneezy?

Hypoallergenic fillings and covers help keep dust mites and allergens at bay - ideal for allergy-prone sleepers.

Helps with

Pressure Relief

Achy hips or shoulders?

Cushioning comfort layers spread your weight evenly, easing pressure around hips and shoulders.

Thermal Control

Cooling

Sleep hot?

Breathable layers draw heat away from you overnight, for a cooler sleep if you tend to run warm.

Helps with

Anti Bacterial

Freshness a priority?

A treated finish that stops bacteria building up, keeping things fresher and more hygienic for longer.

Helps with

Anti Microbial

Musty smells worry you?

Resists the microbes that cause mould and odours, helping the sleep surface stay clean and fresh.

How It Feels

How firm is it?

Softest Extra Firm

Medium Firm

Medium Firm is the level of support to the body, suitable for average to heavily weighted people. This is not a comfort rating.

About the Brand

★ 4.83 brand rating

Arthur Sleep is an exclusive brand offering convenient, low-maintenance mattress solutions for all sleepers. With innovative pocket sprung and memory foam hybrids, they prioritize comfort and support. Featuring 100% hypoallergenic materials and a Which? Best Buy endorsement, Arthur Sleep ensures quality and restful nights for years.

View all Arthur Sleep

Real Sleepers

What our customers say

4.9

129 reviews

Average Customer Ratings

Comfort4.8

Durability4.8

Quality4.8

Value for money4.8

Rating Snapshot

5 stars

112

4 stars

3 stars

2 stars

1 stars

Excellent112

Great15

Average2

Margaret Vickers

5/5

13 Mar 2026

Bought this mattress for a spare bedroom. The quality is excellent, firm but soft on the surface so seems very comfortable though haven't slept on it yet. It's delivered in a box and on opening expands immediately then to full size in 12 hours. It looks extremely well made and should last for years to come. It was very good value at Mattressman, delivered fast and in perfect condition. Would certainly buy from Mattressman again.

Quality5

Comfort5

Value5

Durability4

Kevin Atkins

5/5

25 Oct 2025

Bought from Mattressman on a recommendation from family after shopping around a bit online and I was impressed by the range of mattresses on offer soon finding this one that was perfect for my needs and at a good price. On delivery I was very happy with the appearance and quality of the product and I'm very pleased with my purchase. I wouldn't hesitate to recommend Mattressman to anyone looking for a new mattress ??

Quality5

Value5

Ian Bull

5/5

22 Mar 2026

Fast delivery. Unrolled mattress , couple of hours to relax , no strong smells. Only used for a week so far but just right temperature, is much more comfortable than old mattress. I am sleeping on my back more now as i wake up with the same or less pain than when i went to bed. This is after doing a house move and unloading , loading and moving stuff myself. In short , I am very happy with this purchase.

Value5

Durability4

Quality4

Comfort4

David james Gregory

5/5

05 May 2026

My son loves it, but the only thing was we used the knife provided to cut the plastic wrapper and the pointy end dig into the soft top of the mattress and cut it, had it not been for my son noticing what was going on I’d of probably cut all the way along it but it was about a six inch cut so I’d either use a more rounded end to the spike on the plastic knife so as it doesn’t happen to anyone else

Quality5

Emma Hatfield

5/5

03 Dec 2025

First night i was worried as it seemed rock hard and i know i ordered medium firm i thought the worst.....HOWEVER its now the best thing ive slept on soooo comfy and i suffer with osteoarthritis in my spine, knees and hips i also have fibromyalgia so i do sleep alot and soon as i get a pain it soon disappears with this mattress, my daughter wants the same so we will be back hopefully after xmas

Value5

Quality5

Comfort5

Durability5

Gary Clark

5/5

21 Jan 2026

I'm not the best of sleepers, easily wake up, this bed has changed that completely. Your first impression of the firmness of the mattress may make you wonder if you have made the right choice. My advice is: sleep in it. It only takes one sleep to truly appreciate just how good an investment you have made. And the price, compared to other brands (SIMBA etc) is an absolute steel.

Durability5

Quality5

Comfort5

Value5

Viewing 1 to 6 of 129

Our Promise

The Cool Pocket Mattress has

A 60-night sleep trial Sleep on it at home — love it, or exchange it between nights 30 and 60.

A 96% keep rate Not a survey — our own order data, updated weekly.

A 1 year guarantee See exactly what's covered, and for how long.

Price Match Promise Seen it cheaper somewhere else? We'll match it.

Good To Know

Frequently asked questions

Is the Cool Pocket mattress suitable for allergy sufferers?

Yes, the Cool Pocket mattress is recommended for allergy sufferers due to its special fillings and fabric that help reduce allergens.

How do I rotate the Cool Pocket mattress?

The Cool Pocket mattress has handles attached to the border, making it easy to rotate when needed.

What type of cover does the Cool Pocket mattress have?

It features a knitted cover that stretches with the mattress, offering great elasticity and breathability.

Is the Cool Pocket mattress one-sided or two-sided?

The Cool Pocket mattress is one-sided, so there's no need to flip it, but it is recommended to rotate it periodically.

What kind of support does the Cool Pocket mattress provide?

The mattress uses pocket springs, which are individually encapsulated in fabric, allowing them to move independently for body moulding support and a quiet night's sleep.

How is the Cool Pocket mattress delivered?

The mattress is delivered rolled up, making it easier to handle and manoeuvre into your desired location.

How long does it take for the Cool Pocket mattress to fully expand after unrolling?

After unrolling, it typically takes between 4 to 24 hours for the mattress to fully expand and reach its intended shape.

What is the difference between the soft foam in the Cool Pocket mattress and memory foam?

The soft foam used in the Cool Pocket mattress is made from polyurethane, similar to memory foam, but it does not contain the temperature-sensitive technology found in memory foam.

Is the Cool Pocket mattress fire resistant?

Yes, it is rated Source 2 (low hazard) for domestic flammability, making it suitable for general domestic use.

How does the micro quilted finish benefit the Cool Pocket mattress?

The micro quilted finish, created by stitching the fabric and fillings together, adds a comfortable quilt layer that enhances the overall feel of the mattress.

Better Together

Also paired with

Snuggle Beds Snuggle Pillow

5/5 (5 Reviews)

From £20

SleepSoul Dual Pillow Pillow

4/5 (3 Reviews)

From £26

Panda Bamboo Mattress Protector Double Protector

Mattress Protect Cotton Smooth Double Protector

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Where to next?

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Arthur Sleep Medium Firm Mattresses

Arthur Sleep Pocket Sprung Mattresses

Arthur Sleep Cool Sleep Range

60-night sleep trial: exchanges only, not refunds. Activated by purchasing a mattress protector at the point of order. Request your exchange between nights 30 and 60 of the trial; a £50 exchange fee applies. Full terms.

Keep rate: the share of this product's delivered orders in the last 6 months that were kept rather than returned. Updated weekly, rounded down, capped at 99%, and only shown where we have at least 30 delivered orders.

Recommendation rate: the percentage of verified Trustpilot reviews for this product with a rating of 4 stars or more, rounded down.

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Arthur Sleep Cool Pocket Mattress

800 Pocket Springs For Tailored Support

Cooling Comfort

Peace of mind

Will the Arthur Cool Pocket suit how I sleep?

What 129 sleepers really think

Why buy the Arthur Sleep Cool Pocket Mattress?

How firm is it?

What our customers say

The Cool Pocket Mattress has

Frequently asked questions

Also paired with

Other mattresses to consider

Where to next?