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Cool Gel Mattresses

Browse our range of cool gel mattresses, engineered to assist with temperature regulation and night-time comfort. This collection categorizes options by construction type, including cool gel memory foam mattress models for deep contouring and cool gel hybrid mattress designs that pair cooling technology with traditional springs.

These sleep surfaces are specifically selected to address common sleep challenges such as overheating, night sweats, and partner disturbance. Whether you require a temperature regulating cool gel mattress to maintain a steady climate or a breathable cool gel mattress for hypoallergenic benefits, this section helps you identify the right solution for your sleep health.

Navigate the collection by standard UK dimensions, from Single to Super King, and filter by tension levels ranging from medium to firm. We provide detailed specifications on support cores and cooling layers to help you match the mattress to your body weight and preferred sleeping position.

Manufactured in-house by Mattress Depot, a family-run British business with over 20 years of experience, our range focuses on quality construction and safety compliance. Use the buying guide and comparison charts below to evaluate features and find the ideal cooling mattress for your needs.

14 products

The Ultimate Cool Gel Mattress Buying Guide

  • Heat Dissipation: A best cool gel mattress for hot sleepers uses gel beads to absorb and disperse body heat far more efficiently than standard memory foam.
  • Pressure Relief: Expect the same contouring benefits of memory foam but without the "marshmallow" heat traps, making it a best cool gel mattress for side sleepers.
  • Hypoallergenic Properties: Our cool gel foams are BS7177 and OEKO-TEX® certified, ensuring a fresh and safe sleeping environment.
  • Durability: British-made construction means these mattresses are built to last, backed by our comprehensive warranty.

Comparison – Cool Gel vs. Standard Memory Foam

Feature Cool Gel Memory Foam Standard Memory Foam
Temperature Control High - Actively dissipates heat Moderate - Can retain body heat
Breathability Enhanced airflow through gel cells Denser structure with less airflow
Support Feel Contouring with a "fresher" feel Soft, deep-sink contouring
Responsiveness Faster recovery time Slower "cradle" effect

Who Should Choose a Cool Gel Mattress?

  • Hot Sleepers: If you wake up feeling sweaty or overheated, a temperature regulating cool gel mattress is essential for maintaining a steady body temperature.
  • Side Sleepers: A cool gel mattress for side sleepers provides the necessary cushioning for shoulders and hips while preventing the heat buildup that often occurs with deep-contouring foams.
  • Couples: The motion isolation of gel foam ensures partner disturbance is minimised, while the cooling tech manages the double body heat in the bed.
  • Back Pain Sufferers: Our medium firm cool gel mattress options provide the spinal alignment of an orthopaedic bed with the added luxury of a cool-touch surface.
  • Allergy Sufferers: Naturally dust-mite resistant and certified safe, these are ideal for those requiring a hypoallergenic sleep solution.

Specifications & Dimensions Guide

Size Name Metric (cm) imperial (ft/in) Best For...
Single 90 x 190 cm 3ft x 6ft3" Children, teens, or guest rooms
Small Double 120 x 190 cm 4ft x 6ft3" Solo sleepers wanting extra space
Double 135 x 190 cm 4ft6" x 6ft3" Standard couples or UK master bedrooms
King 150 x 200 cm 5ft x 6ft6" Taller sleepers and those needing more width
Super King 180 x 200 cm 6ft x 6ft6" The ultimate luxury space for families

Firmness & Support Matrix

Sleeping Position Body Weight <70kg Body Weight 70-95kg Body Weight >95kg
Side Sleeper Medium Medium Medium Firm
Back Sleeper Medium Medium Firm Firm
Front Sleeper Medium Firm Firm Firm

Materials & Construction

  • The Support Core: Depending on the model, we use high-density reflex foam or individual pocket springs. This provides the "ortho" foundation needed for healthy spinal alignment.
  • The Cool Gel Comfort Layer: Our signature cool blue foam mattress layer is infused with cooling gel particles. These particles act as a heat sink, absorbing excess energy and releasing it through the breathable cell structure.
  • The Breathable Cover: Every UK made cool gel mattress is finished with a luxury knitted or micro-quilted cover designed to maximise airflow and enhance the cooling effect of the foam beneath.
  • Safety Standards: All materials used are BS7177 fire retardant and OEKO-TEX® certified, ensuring your comfort never comes at the expense of safety.

Why Buy Cool Gel Mattresses from Mattress Depot?

  • Proudly British Made: Every mattress is designed and manufactured in our own UK facility, eliminating middlemen and passing the savings to you.
  • 20+ Years of Expertise: We combine generations of craftsmanship with modern R&D to create sleep solutions that actually work.
  • 100-Night Mattress Trial: Sleep with peace of mind knowing you can test your new mattress in your own home to ensure it’s the right fit for you.
  • Direct Manufacturer Value: By buying directly from the source, you enjoy premium materials and hotel-grade quality at fair, honest prices.
  • Ethically Crafted: We use sustainably packaged materials and ethical sourcing practices to ensure our comfort cares for the planet.
  • Certified Quality: Our products meet rigorous BS7177 and OEKO-TEX® standards, backed by a 10-year warranty on select models.

How to Care for Your Cool Gel Mattress

  1. Initial Setup: Once delivered, unwrap your rolled mattress in a well-ventilated room. Allow 4-24 hours for the gel layers to fully expand to their correct depth.
  2. Airing Out: Leave the bed linen off for the first few hours to allow any "new foam" scent to dissipate naturally.
  3. Rotation Schedule: To ensure even wear, rotate your mattress 180 degrees (head to foot) every two weeks for the first three months, and once a month thereafter.
  4. Cleaning Instructions: Use a soft, damp cloth for spot cleaning any accidental spills. Avoid using harsh chemical cleaners that could damage the gel-infused foam structure.
  5. Warranty Maintenance: Use a mattress protector to keep the surface pristine. Ensuring the mattress is used on a supportive, breathable bed base will help maintain your 10-year warranty.

Frequently Asked Questions

Yes, a cool gel-infused mattress is specifically designed to overcome the heat retention issues of standard memory foam. While traditional foam traps body heat, the cooling gel particles absorb and disperse that heat, creating a significantly cooler sleep surface.

Our cool gel mattresses are engineered for durability and typically last between 7 to 10 years depending on care. We provide a 10-year warranty on select models to reflect our confidence in the high-density materials we use in our British factory.

It offers a very similar pressure-relieving feel to memory foam but with a slightly more responsive "bounce-back." You will still feel cradled and supported, but you won't experience the "stuck" or "overheated" sensation sometimes found in older foam technologies.

Absolutely, as the gel foam contours to the specific pressure points of your shoulders and hips. By providing a medium firm cool gel mattress feel, we ensure side sleepers get the softness they need for comfort without sacrificing the spinal support required for health.

A hybrid model combines the cooling properties of gel foam with the traditional support of pocket springs. This combination is excellent for those who want the temperature regulation of gel but prefer the familiar feel and edge-support of a sprung mattress.

Yes, the materials used in our cool gel range are naturally resistant to dust mites and common allergens. All our foams are OEKO-TEX® certified, meaning they are tested for harmful substances and are safe for the whole family.

No special frame is required, but a slatted base is highly recommended to maximise airflow. Ensuring air can circulate beneath the mattress helps the cooling technology perform at its best.

While you can, it is important to remember that a thick, non-breathable topper may block the cooling benefits of the gel layer. If you need extra comfort, we recommend using a specific cool gel mattress topper to maintain temperature regulation.