Compare prices on King Size Mattresses

Lie on this king mattress and fall sound asleep, letting your body recover from the day. With Miracoil advanced pocket spring technology, this king mattress contains 2,000 individual small springs, housed in their own separate pockets. Each spring helps spread your weight evenly across the king mattress providing support and comfort that is second to none.

Winner of the Which? Best Buy Award 2015 the advanced zoned 1200 Mirapocket spring system offers the ultimate in comfort. Each king mattress with Mirapocket technology contains individual springs that are held under tension in their own fabric pockets providing targeted zoned support and tailored comfort where you need it most. The king mattress is hand...

Silentnight have cleverly combined independent pocket springs, 7 zone technology, 25mm of memory foam and hypoallergenic fillings to create the Moscow king mattress. For allergy sufferers it's an ideal solution, as it incorporates 'Purotex', a natural friendly bacterium that reduces mould, moisture and allergens. A fresher sleeping environment is also...