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Silentnight UltraGel 3000 Cool-To-Touch Boxtop Medium Soft Mattress

5/5
Five times more breathable than standard memory foam, its cool-to-touch surface sits over 3000 pocket springs at a medium-soft tension.
iconMedium Soft
iconGel Foam
icon3000 Mirapocket™
icon37cm depth
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£917.15
without promo £1079
Save £161.85
Use promo code SNOOZE15 for quoted price
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Description
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Why This Mattress

Why buy the Silentnight UltraGel 3000 Cool-To-Touch Boxtop Medium Soft Mattress?

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

Best For
Side Sleepers
Curl up on your side?
Enough give at the shoulders and hips to keep side sleepers comfortable and aligned.
Thermal Control
Cooling
Sleep hot?
Breathable layers draw heat away from you overnight, for a cooler sleep if you tend to run warm.
How It Feels

How firm is it?

Medium Soft

The Silentnight UltraGel 3000 Cool-To-Touch Boxtop Medium Soft Mattress has a medium soft feel.

About the Brand
Est. 1946 4.66 brand rating

Silentnight is the UK's most trusted sleep brand, renowned for quality craftsmanship and tailored support. With a range of mattresses featuring Miracoil and Mirapocket systems, they ensure optimal spinal alignment and comfort for every sleeping position, making a good night's sleep accessible to everyone.

View all Silentnight
Real Sleepers

What our customers say

5.0
Product Rated 5.0 Stars
2 reviews
Average Customer Ratings
Comfort5.0
Durability5.0
Quality5.0
Value for money5.0
Rating Snapshot
5 stars
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Excellent2
Emma Jones
Customer Rated This 5 Stars 5/5
29 Nov 2025
Amazing Mattress. I always get silent night mattresses now for comfort and value. This is the best so far. Really excellent. Got the Medium hard and was concerned it might be too firm but really comfortable and can not feel husband moving in bed.
Value5
Quality5
Comfort5
Doug Mumford
Customer Rated This 5 Stars 5/5
10 May 2026
Had the mattress for around a month now. Very heavy and seems very good quality. Quite hard considering it is the soft model but am hoping that over time it will soften a bit. Glad we didn’t get the hard one!
Durability5
Quality5
Comfort5
Value5
Viewing 1 to 2 of 2
Our Promise

The UltraGel 3000 Cool-To-Touch Boxtop Medium Soft Mattress has

A 60-night sleep trial Sleep on it at home — love it, or exchange it between nights 30 and 60.
A 5 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

How does the cooling technology in the UltraGel 3000 mattress work to regulate temperature?
The UltraGel 3000 mattress features an innovative cool-to-touch layer made from Silentnight's UltraGel™ technology, which is woven directly into the surface fabric. This advanced cooling layer provides five times greater breathability than standard memory foam, actively drawing heat away from the body. As a result, it ensures all-night temperature regulation, allowing you to sleep comfortably without overheating.
Can the UltraGel 3000 mattress accommodate different sleeping positions?
Absolutely, the medium soft comfort level of the UltraGel 3000 is designed to suit a variety of sleeping positions. Whether you prefer to sleep on your back, side, or stomach, this mattress conforms to your body's shape, providing excellent support.
How does the pocket sprung technology work in this mattress?
The pocket sprung system consists of individual springs, each housed in its own fabric pocket. This design allows the springs to move independently, providing personalised support and reducing motion transfer for couples.
Can I rotate the UltraGel 3000 mattress?
Yes, while the UltraGel 3000 is a one-sided mattress and does not require flipping, it is recommended to rotate it regularly. This helps to maintain its shape and comfort over time.
What materials are used in the UltraGel 3000 mattress?
The UltraGel 3000 mattress incorporates UltraGel technology and features a micro quilted finish. This combination enhances comfort while providing a cool-to-touch surface for a more pleasant sleeping experience.
Does the UltraGel 3000 mattress have handles for moving?
Yes, the UltraGel 3000 mattress comes with handles attached to the border. These handles make it easier to rotate the mattress when needed.
How does the gel-infused layer in the UltraGel 3000 mattress enhance my sleep experience?
The gel-infused layer in the UltraGel 3000 mattress is designed to provide responsive bounce-back and pressure relief, adapting to your body's movements throughout the night. This layer has an open-cell structure that enhances airflow, which helps maintain a cool sleeping environment. Additionally, it works in conjunction with the ultra-breathable foam to regulate temperature effectively, ensuring you stay comfortable and avoid overheating while you sleep.
What impact does the micro quilted finish have on the mattress's comfort level?
The micro quilted finish contributes significantly to the comfort of the UltraGel 3000 by introducing a soft, textured layer that increases cushioning. This design works in harmony with the fillings to create a luxurious sleeping surface.
What does the SmartGel comfort layer in the UltraGel 3000 do?
The SmartGel layer is a gel-infused foam that gives responsive bounce-back, adapting to your movements as you sleep and moulding to your body for pressure relief. Its open-cell structure also enhances airflow, helping to keep you cool and comfortable through the night.
Will I feel my partner moving if I share the UltraGel 3000 mattress?
Thanks to the pocket sprung design, you are less likely to feel your partner moving on the UltraGel 3000 mattress. The independent movement of the springs helps to minimise motion transfer, allowing for a quieter night's sleep.

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.

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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