Experience the advanced technology of our open-cell Super King Size 4G Ultra Memory Foam Mattress. The 4G Ultra uses particles to permeate the surface of the foam which work to improve heat and moisture flow while you sleep. Cooling comfort can be felt in our fourth generation mattress, providing a breathable and fresh sleeping space so you can wake up feeling refreshed. The innovative design promotes airflow by a massive 95% so body heat and moisture can be removed from the foam and still provide you with superior support.
The 4G Memory Foam responds quickly to your body temperature meaning the mattress can remain fully ventilated and responsive to weight and movement during the night. Our deep 5cm top layer of 4G Memory Foam used in our mattress ensures you get a great night’s sleep. Beneath is a secondary layer of memory foam for further support, complete with an engineered reflex foam base. The engineered reflex foam base is designed with air cells for pressure relief and moisture dispersal channels that allow the mattress to breathe freely for perfect comfort and support. The base also offers further support and durability and the reflex foam means the comfort you experience is built to last.
The 4G Ultra Memory Foam Mattress is finished with a quilted Adaptive Purotex mattress cover which works to combat common night time allergies and bacteria that can flourish during the night. Purotex is an active probiotic which is woven into the fabric to absorb moisture and eliminate dust mites for a healthy and antibacterial sleeping surface.
Product type Mattress Select mattress size Super King Size Cover Adaptive Firmness rating Medium Soft Mattress type Memory Foam Mattress depth 23cm Range 4G Ultra Memory Foam Brand 4G Delivery 7 to 10 working days Warranty 5 Years Width (cm) 180 Height (cm) 190 Depth (cm) 23 Washable cover 40 Degrees 4G Memory Foam Yes Mega Menu Image (170x150) /4/g/4g-ultra-mattress5_1.jpg
Date / Score Customer Comment Our Response 27-Oct-2016 Product: Should have got a mattress years ago, Keep staying in bed! Shall want one for a single bed soon! 23-Feb-2016 Product: Very comfortable. The smell lingered longer than anticipated even though we followed the manufacturers recommendations. 23-Feb-2016 Product: Excellent nights sleep, great value for money. 15-Dec-2015 Product: Our 3rd Memory Foam Mattress. Loved every one of them but this is by far and away the best. They really are a big leap forward from the standard memory foam mattresses. 28-Oct-2015 Product: Comfy/sleep loads better and has helped reduce my back ache I got with other mattresses 10-Aug-2015 Product: Fantastic mattress 09-Jul-2015 Product: This mattress is just wonderful! It's so comfortable and supportive. We both suffer with bad backs and can't believe how much better we feel and how well we're sleeping. The best £500 we've ever spent! 18-Jun-2015 Product: Excellent value for money.
The only reason I haven't given excellent is the mattress smells of rubber. Which I suppose is quite obvious. But have to leave the mattress uncovered and room aired for a few days before sleeping on it.
18-Mar-2015 Product: Maybe an idea to put handles on the side to ease turning quite a heavy mattress Read more reviews on Feefo
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- Size Guide
Mattress Size Guide
Size Imperial (feet/inches) Metric (cm) Single 3'0" x 6'3" 90 x 190 cm Small Double 4'0" x 6'3" 120 x 190 cm Double 4'6" x 6'3" 135 x 190 cm King size 5'0" x 6'6" 150 x 200 cm Euro 5'3" x 6'6" 160 x 200 cm Super king size 6'0" x 6'6" 180 x 200 cm