Open coil mattresses, are one of the most popular mattress types. They are usually cheaper than pocket sprung mattresses due to the lower cost of manufacturing. Open coil sprung mattresses have interconnected springs which sit beneath a variety of comfort layers, whether that be foam or natural/synthetic fibres.
An open coil mattress is a supportive, sprung mattress with coils of high tensile steel, wound into hundreds of springs and connected by a wire rod edge. The springs run from side-to-side can be made to any firmness.
Whilst the connected spring unit can help to distribute weight more evenly, because the springs are interconnected, they are not as effective at reducing the transfer of movement, so you are more likely to feel it when your partner moves in the night.
The two main benefits of an Open Coil mattress over other technologies are that they are often cheaper and lighter. This makes them a good choice for kid's beds, spare beds and for those who struggle to lift and turn a mattress.