The rest of the mattress consists of a 2 inch convoluted foam layer for airflow and cooling a 4 5 inch base foam that reduces motion transfer.
Top firm foam mattress.
What to know about firmness ratings.
Firm mattress types include innersprings latex foam and hybrids.
On the other hand innerspring and latex are materials are generally more responsive and they can make it easier for the mattress to be a firm.
Mattresses are rated on a scale of 1 to 10 for their firmness.
The 2 inch top layer is gel infused memory foam.
Now if you are a fan of memory foam mattresses you could have a harder time finding a firm let alone extra firm bed.
And another 1 inch copper gel infused foam layer.
The best mattresses that won t sag for side back and stomach sleepers including memory foam innersprings and hybrids with options to buy in store or online in a box.
This is due to the natural properties of the material.