The most common mattress topper materials are memory foam, latex foam, down, synthetic fiberfill, wool, and cotton. To majorly change the firmness and feel of a mattress, I usually recommend a ...

Fiberglass is a synthetic, heat-resistant material consisting of fine strands of glass and resin. It’s used as a fire barrier ...

It’s a really durable mattress topper with a thick, quilted cover and straps to keep it in place. The organic cotton cover is soft and breathable and wicks moisture away while you sleep.

This cooling mattress pad is made of a blend of cotton and Outlast, the company's NASA-approved fabric that regulates temperature so that when you're too hot, the heat is absorbed away.