AJ Foam King Size Mattresses

If you're looking for high-quality foam mattresses that puts comfort above all else, look no further than AJ Foam Mattresses. Hailing from Dewsbury, UK, AJ has been manufacturing foam mattresses for over 16 years. They put all of their expertise into their latest products, one of which is their king size mattress range you'll find here.

The mattress uses the best quality components to ensure ultimate breathability, meaning you'll never wake up sweaty or too hot. Likewise, they use materials that conform to all fire health and safety regulations, meaning you are fully safe using these products. The mattresses use a combination of memory foam, latex or ortho springs, reflex foam and pocket springs. So whatever you require, you'll find an AJ Foam mattress that you won't be disappointed with. Browse our range to find your perfect mattress, and remember that our delivery options include next day delivery on selected items as well as free delivery on all items.
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  1. Luxury King Size Mattress Mattress firmness

    Luxury King Size Mattress

    £129.99
    RRP: £219.99 | Save £90.00 (41%)
    • Layer of High Density Base Foam
    • Layer of Memory Foam
    • Anti-bacterial
    Made in the UK
  2. Neptune Luxury King Size Mattress Mattress firmness

    Neptune Luxury King Size Mattress

    £194.99
    RRP: £299.99 | Save £105.00 (35%)
    • 50mm Layer of Memory Foam
    • 150mm Layer of Memory Foam
    • Hypoallergenic
    Best Seller Made in the UK
  3. Pluto King Size Mattress Mattress firmness

    Pluto King Size Mattress

    £199.99
    RRP: £319.99 | Save £120.00 (37%)
    • 150mm of Reflex Foam
    • 70mm of Memory Foam
    • Hypoallergenic
    Best Seller Made in the UK
  4. Mars King Size Mattress Mattress firmness

    Mars King Size Mattress

    £199.99
    RRP: £299.99 | Save £100.00 (33%)
    • 150mm of Reflex Foam
    • 50mm Layer of Memory Foam
    • Hypoallergenic
    Best Seller Made in the UK
  5. Anti Bed Bug King Size Mattress Mattress firmness

    Anti Bed Bug King Size Mattress

    £199.99
    RRP: £299.99 | Save £100.00 (33%)
    • 150mm of Base Foam
    • 50mm of Memory Foam
    • Anti-microbial
    Best Seller Made in the UK
  6. Natural Touch King Size Mattress Mattress firmness

    Natural Touch King Size Mattress

    £199.99
    RRP: £329.99 | Save £130.00 (39%)
    • 50mm of Memory Foam
    • 150mm of High Density Reflex Foam
    • Hypoallergenic
    Made in the UK
  7. Mercury King Size Mattress Mattress firmness

    Mercury King Size Mattress

    £199.99
    RRP: £319.99 | Save £120.00 (37%)
    • 150mm of Reflex Foam
    • 50mm of Memory Foam
    • Hypoallergenic
    Made in the UK
  8. Infusion King Size Mattress Mattress firmness

    Infusion King Size Mattress

    £199.99
    RRP: £319.99 | Save £120.00 (37%)
    • Hypoallergenic
    • 75mm Layer of Memory Foam
    • 125mm Layer of High Density Base
    Made in the UK
  9. Saturn King Size Mattress Mattress firmness

    Saturn King Size Mattress

    £199.99
    RRP: £329.99 | Save £130.00 (39%)
    • 150mm of Reflex Foam
    • 50mm of Memory Foam
    • Hypoallergenic
    Made in the UK
  10. Modal King Size Mattress Mattress firmness

    Modal King Size Mattress

    £284.99
    RRP: £479.99 | Save £195.00 (40%)
    • 150mm of Reflex Foam
    • 50mm of Latex
    • Hypoalergenic
    Made in the UK
  11. Stone King Size Mattress Mattress firmness

    Stone King Size Mattress

    £284.99
    RRP: £479.99 | Save £195.00 (40%)
    • 150mm of Reflex Foam
    • 50mm of Latex
    • Hypoallergenic
    Made in the UK
  12. Aloe Vera Natural King Size Mattress Mattress firmness

    Aloe Vera Natural King Size Mattress

    £284.99
    RRP: £479.99 | Save £195.00 (40%)
    • 150mm Layer of Reflex Foam
    • Hypoallergenic
    • 50mm Layer of Latex
    Made in the UK
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