Latex is made from the sap of a rubber tree. Over generations, people have learned how to tap the trees without having to cut them down. This means that it is one of the most eco-conscious and sustainable ways to create bedding.
After the latex is harvested from the rubber tree, it is treated to create foam. The two most common ways of treating latex for bedding is Dunlop and Talalay. The result is a high response and heavy piece of foam that can be used for bedding. By changing the density, the latex can be more or less responsive.
Those that are used to a memory foam feel (a slow response) will be surprised to know that most latex is highly responsive, meaning that although it will react to ones body, it has a natural bounce. Some sleepers prefer this, though others not so much.
Recently, there has been an explosion in latex bedding with the higher demand for eco-conscious foam alternatives. Though latex is natural, there are some that mix it with memory foam. For those that are looking for pure latex bedding, be careful to do your research on the entire bed.
Pros: High response, differing firmness options.
Cons: High expense vs memory foam, some don't like the latex responsive feel.
Visco elastic foam is another term for memory foam. It is a blend of polyurethane foam that was developed for airplane cushions by a NASA contract in the 1970s.
The difference between visco elastic foam and other types of polyurethane foam is its slow response and low resistance. Its soft surface allows for contouring and its slow response lowers bounce.
Visco elastic foam, like all polyurethane foam, is made from a blend of substances and has a tendency to off-gas. Those with lung sensitivities should do additional research about the quality of foam to ensure that it won't aggravate them.
Pros: Contouring comfort, competitive pricepoints, and widespread options.
Cons: Sagging and off-gassing problems with lower quality foams.
Overall Score:
Latex: 9.7/10
Visco Elastic Foam: 9.3/10
Comfort:
Latex: 9.4/10
Visco Elastic Foam: 9.4/10
Softness:
Latex: 9.4/10
Visco Elastic Foam: 9.5/10
Cooling:
Latex: 8.5/10
Visco Elastic Foam: 8/10
Hypoallergenic:
Latex: 8.5/10
Visco Elastic Foam: 8/10
Odor:
Latex: 8.5/10
Visco Elastic Foam: 8/10
General Support:
Latex: 8.5/10
Visco Elastic Foam: 8/10
Eco-Conscious:
Latex: 8.5/10
Visco Elastic Foam: 8/10
Price Value:
Latex: 8.4/10
Visco Elastic Foam: 9.4/10
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