Memory Foam Symple Stuff King Size Mattresses

Kingsize (5')

This Memory foam mattress is made from an upper layer of memory foam. It is soft and pliable following the outline of your body perfectly. It provides the best possible support to your body's spine allowing your body to immediately find the best possible sleeping position.

This is the best mattress I have ever purchased. So comfortable For my back. A good nights sleep is so important and this mattress delivers. Top class customer service from ordering to delivery. Heather. Stanley, GB. Mon Apr 27 2026

Kingsize (5')

This dual comfort all-foam mattress has been carefully designed with a layer of high-quality next-generation visco-elastic memory foam for the top comfort layer, the foam molds and shapes to your body provide luscious comfort and support. The mattress features a thick layer of firmer orthopedic reflex foam giving the mattress a medium firm feel with a total depth of approximately 22cm. Designed to support you in all the right places, this mattress gives you extra care for your back, shoulders, and hips. The firmer orthopedic reflex foam provides all the support you need for a restful and relaxing night’s sleep. The new innovative reflex foam is made up of thousands of bubbles that spread apart when the sleeper lies on it, giving you a bounce back. With both reflex foam and memory foam, you will have the experience of medium firm comfort.

Very nice mattress so comfortable and a good price. Diane. London, GB. Thu Apr 02 2026

Kingsize (5')

This mattress offers a top layer of memory foam for comfort and a middle layer of Reflex foam and base layer of EcoFoam for support. Memory foam is soft and pliable allowing it to follow the outline of your body. With a layer of pressure-sensitive memory foam, it is recommended by chiropractors and doctors alike. This mattress supports your body and spine, allowing your body to find a good position and improving blood circulation, resulting in improved sleep. A thick bottom layer of EcoFoam foam is used as the support mechanism/foundation layer in this mattress, providing a supportive layer to ensure your weight is distributed properly. This mattress is completed with a zip-off, double jersey, quilted, dry cleanable cover for improved comfort. This product has been designed and manufactured in the United Kingdom to provide high quality and ensure it conforms to all British fire regulations. Please note: The additives used in the manufacturing of foam may give rise to a slight odour. If this should occur, please remove all packaging and store it in a well-ventilated room for 48 hours. The odour is safe and will dissipate over time.

Amazing mattress, worth all the money, very good quality and gives a restful night of sleep.. Anonymous. Wed Feb 18 2026

Kingsize (5')

This all-foam mattress has a deep dual layer of a memory foam mattress. With a combination of 6" an inch (Approximately 15cm) support base with high-density Reflex Foam with a 2" inch (5cm approximately) top layer of super-soft Memory Foam. Both foams work together to provide the sleeper with a medium firm comfort. The open-cell Memory Foam molds to your body providing exceptional comfort, pressure relief, and the perfect weight distribution for a relaxing night’s sleep. The open cell Reflex Foam provides firm support helping the body, neck, hips & shoulders. The mattress has been designed with a white zip cool touch removable cover.

Very comfortable. Chandrika. Bradford, GB. Tue Mar 15 2022

Kingsize (5')

The all-foam mattress offers a top layer of memory foam for comfort and a bottom layer of reflex foam for support. Memory foam is soft and pliable allowing it to follow the outline of your body. With a layer of high-density memory foam, which is pressure-sensitive, it is recommended by chiropractors and doctors alike. This mattress provides orthopedic support to your body and spine, allowing your body to find a good sleeping position and improving blood circulation resulting in improved sleep. There is a thick bottom layer of EcoFoam used to act as the support mechanism/foundation layer in this mattress that provides a supportive layer to ensure your weight is distributed properly. This mattress is completed with a zip-off, double jersey, quilted, dry cleanable cover with key zones for improved comfort and body support. This product has been designed and manufactured in the United Kingdom to provide high quality and also to ensure that it conforms to all British fire regulations.

Very comfortable and supportive. It is relatively firm overall but the top moulds comfortably. It distributes heat well, so the temperature regulation is good. Very pleased with it and it is excellent value.. Tony. Dartford, GB. Fri Mar 27 2026

Kingsize (5')

A bad night's sleep can spoil the rest of your day. That's why we know how important it is to find the right mattress, suited perfectly to provide you a blissful night of slumber, every night. Mattresses should give you the feeling of "floating", so we have developed with our manufacturers a lower profile mattress with the feel of a much thicker mattress. The ideal combination of Visco elastic memory foam and the firmer reflex foam below create the ideal blend of support and comfort. Created with allergy sufferers in mid this mattress its hypoallergenic properties.