M4GTXL-SG 5060667031248
4G Air Memory Foam Mattresses

The Titan XL 4G Aircool Memory Foam Mattress is the ultimate blend of comfort and support provided in an extra deep luxurious mattress. The exclusive breathable 4G technology promotes airflow, combats overheating and ensures you wake up feeling refreshed and ready for the day. 

A generous layer of open cell Revo foam sits below the 4G and ensures just the right amount of bounce and comfort in your mattress. It's extra deep base layer means that the Titan will offer you the very best levels of support whatever build or frame you may have. Free delivery on orders over £99

4G Air
  • £419.99
    (minimum spend £500)
Shipping calculated at checkout.

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Main Features

    • Medium
    • Removable Cover
    • Washable Cover
    • 10 Years Warranty
    • 30cm Depth
    • Hypoallergenic
    • Triple Layer
    • British Made


The 4G Aircool Titan XL Memory Foam Mattress is the deepest mattress in our range (30cm) and is the best memory foam mattress for heavier sleepers wanting additional night-time support.

Encourages Airflow Through the Mattress

The top layer of 4G Aircool memory foam provides the ultimate in comfort and support, whilst ensuring that you don't get too hot during the night. The open-cell structure of 4G Aircool memory foam encourages air to flow through the mattress, wicking away excess heat and moisture naturally to create a fresh and hygienic sleeping environment.

A Layer of Revo Technology Foam

Beneath is a layer of Revo technology foam, which shares the cooling, open-cell structure, described above. This provides just the right amount of bounce in your mattress without the need for traditional pocket springs.

Extra Deep Reflex Foam Base

The extra-deep reflex foam base provides high levels of support and creates a durable and long-lasting mattress. 

The 4G Aircool Titan XL Memory Foam Mattress is delivered rolled up for your convenience and comes with a removable, machine washable mattress cover.


Looking for even more comfort? Complete your set up with our range of memory foam mattress toppers.


Mattress Delivery

Delivery within 5-7 days from placing order. (Excluding Scottish Highlands and Islands)

We offer free delivery on orders over £99. For items under this amount there is a charge of £4.95 for delivery. There may also be a small charge for orders to certain parts of Scotland.

Your mattress will be delivered either boxed or rolled in a protective bag allowing you to move it into your room of choice quickly and easily.

Sleep Trial
100 Nights
British made
10 Years
Washable Cover
Machine Washable
7-10 days
Mattress Type
Memory Foam
Memory Foam
Revo Foam
Base Foam
Customers Reviews

Customers Questionsdropdown

If you have a question about Memory Foam Warehouse or any of our memory foam mattresses, pillows, toppers or beds; we’ve created a comprehensive mattress buying guide and FAQ’s page which should be able to answer most queries. If you can’t find what you’re looking for on these pages or would rather speak to one of the team please contact us here.

Delivery & Returnsdropdown

Contact detailsAll goods purchased online are shipped from our factory:Unit 1 Navigation Yard, Chantry Bridge, Wakefield. WF1 5PQ

Order confirmation & deliveryOnce you have placed your order, you will receive a confirmation email. Please check this to ensure your order is correct. If anything is wrong, please call us and we will correct it immediately.

Once your order has been prepared by our team and is on its way out to you, you will receive a dispatch confirmation. This email contains any tracking information pertaining to your order. If you have selected our two man delivery service, you will be contacted by the courier to arrange a delivery date and time to suit you. Please note that a signature is always required upon receipt.

We can also dispose of your old mattress; simply select the Recycling option at the checkout where available.

Specific Delivery Date RequestsPlease contact us for any specific delivery requests and we will try to meet your needs. Return questions can be sent to customerservice@memoryfoamwarehouse.co.uk

CouriersWe use a number of couriers to make our deliveries, depending on where and how our customers need our products. Our most convenient service is our two man delivery service, delivering your mattress to the room of your choice and disposing of the packaging for you.

Returns policy

Any items which are returned for refund or exchange must be received by Memory Foam Warehouse within 30 days in a new and unused condition and with original packing intact, along with all receipts. We strongly recommend you use a recorded/insured delivery service as we regret that we cannot be held responsible for goods lost in transit. Any refund will be made in the tender type originally transacted. We are unable to process items that do not meet with these criteria. More details available here

100 night trial

The details of our 100 night trial are available here.


All of our mattresses come with a 12 month full guarantee, covering our products against any defects caused by material or manufacturing defects. Once this 12 months period has passed, many of our mattresses are covered by 5, 10 and 15 year warranties. For full details of our warranties, please visit our Guarantees & Warranties page


We reserve the right to change our prices immediately if there is any change in the VAT rate or if there is a major change in the value of the pound against any currencies which could affect some imported items. Please note that the actual colour of some items may differ slightly from the photographic representations shown on this internet site. Whilst we endeavour to thoroughly test all hardware products on this site, it should be noted that descriptions of performance and suitability are purely subjective