Coir or coconut fiber is fiber from the husk of coconuts. Among other uses, it is used as a natural bedding material.
Generally, coir is used in the middle and upper layers of mattresses to provide support or responsive softness by adding more or less density of material.
Those that are allergic or sensitive to foam, may find that this all-natural, non-toxic material is a good addition. It is important to note that coir mattresses may also have additives: such as cotton, wool, or foam so it is important to do your research to make sure those materials are safe.
Pros: Eco-Friendly, non-toxic, and all natural bedding.
Cons: Comfort is dependent on the craftmanship and quality of the coir material. Low quality bedding can be quite uncomfortable.
Polyurethane foam is a blanket term that includes any foam that is synthesized using polyol and diisocyanate. These include but are not limited to: memory foam, high resilience foam, and high density foam. Since polyurethane foam can contain additives, a manufacturer that comes up with a new formula can name the new foam whatever they like.
Many memory foam mattresses are a combination of polyurethane foams, layered from dense on the bottom to less dense on the surface layers.
Polyurethane is a synthetic blend of organic compounds and has a tendency to off-gas. If you are susceptible to lung issues, please do additional research on the quality of foams before purchasing.
Pros: Many different types of foams exist under the polyurethane umbrella -- some are excellent for bedding and offer different firmness varieties!
Cons: Off-gassing and durability problems with lower quality foams.
Overall Score:
Coir: 8.8/10
Polyurethane Foam: 9.4/10
Comfort:
Coir: 8.6/10
Polyurethane Foam: 9.4/10
Softness:
Coir: 8.5/10
Polyurethane Foam: 9.5/10
Cooling:
Coir: 9.5/10
Polyurethane Foam: 8/10
Hypoallergenic:
Coir: 9.5/10
Polyurethane Foam: 8/10
Odor:
Coir: 9.5/10
Polyurethane Foam: 8/10
General Support:
Coir: 8.6/10
Polyurethane Foam: 9.5/10
Eco-Conscious:
Coir: 9.5/10
Polyurethane Foam: 8/10
Price Value:
Coir: 8.6/10
Polyurethane Foam: 9.5/10
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