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What of mattresses are there and how are they different?

When purchasing a mattress, we find a great variety, and often it is difficult to differentiate them; to make your search Mi Colchón offers a technical but clear and simple explanation of each one:


The viscoelastic mattress molds to the body. Thus, the pressure is distributed uniformly all over the body, avoiding pressure areas that make circulation difficult.

Viscoelastic material is formed by open cells and allows good air circulation. The foam is sensitive to temperature and very adaptable, reacting by sinking more on applying heat (body heat) and hardening with the cold.

Any mattress can be used on both sides, but with viscoelastic mattresses, it is recommended to sleep only on the viscoelastic side, to take best advantage of its performance. The better the fabric and treatment, the greater performance the mattress offers.


Viscoelastic mattresses generally offer a high degree of adaptability (for a higher amount of viscoelastic, greater adaptability) and average firmness, but each model offers characteristics different depending on the type of the material, the density and the composition of the mattress. Having more viscoelastic or less does not mean that one mattress is better than another, but that they offer different sensations.


Generally, these types of mattresses come with a thicker lower layer of high density HR foam that serves as support for the nucleus and maintains the overall firmness; it can also be combined with other components such as the springs.




Latex is made from the resin of the rubber tree called Hevea Brasiliensis, which grows mostly in Asia. The amount of latex in the mattresses can vary, from 20% to 97%natural latex; the rest is synthetic latex foam.


A good latex mattress must have five or more differentiated firmness zones that allow proper adaptation to the body; it also must have antibacterial treatments and its filling must be hypoallergenic.


Independent of the pressure, the mattress returns to its original condition without losing its shape.





Foam mattresses are composed of a material called polyurethane or polyester. The different types of foam mattresses se differentiated by the density of the foam, its quality, and the height of the mattress. The higher the density, the better the quality and resistance of the mattress; more layers of foam of different densities offer best height and best firmness.

Foam mattresses are composed inside of different firmness zones adaptable to each part of the body, several of aeration channels and, in some cases, each side with a different firmness. These are firm mattresses, not as much as a spring mattress, but they maintain the touch, the adaptability and the softness of quality foam.


They offer a firm and ergonomic rest that varies according to the type of foam, and the combination of this material with the viscoelastic offers an excellent result.



Spring mattresses are the most common, offering the traditional high degree of firmness combined with the flexibility of the springs. The structure of springs is the heart of the mattress and guarantees good support and durability. A layer of polyurethane foam can be added. The structure is composed of iron wire springs attached to a steel shaping bar and sewn into cotton covers of different design. Foam supports are attached in the corners for greater consistency.


There are different degrees of firmness depending on the type of spring used, but they generally have good indices of buffering and elasticity (keys for good sleep).


They must be accompanied by several layers of shock absorption (textile, polyester, HR... of more or less quality and efficiency depending on the range and the model) to isolate the hardness of the spring.


Although these mattresses are generally very breathable and hygienic, they are improved by incorporating some extra treatment such as temperature regulation.


There are different variants according to the configuration of the springs, since they can be in pockets or biconical. Biconical or Bonell Springs: they are shaped like a double cone and adapt best to the weight of the different parts of the body.


  • Pocket or cylindrical springs: these are in the shape of cylinders and individually sewn into pockets to avoid annoying sounds caused by movement. They distribute weight better and give more firmness to the mattress, for healthier sleep.


  • The amount of springs is important; the more springs per square meter, the better the support for the body. The hardness of the mattress is obtained by changing the diameter of the steel wire and does not decrease the number of springs.


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