The Sleeping Duck mattress is made with springs, latex and foam. It has a sleek look where the top cover can be unzipped to switch out the top layer to a firmness of your choosing. More info on this mattress can be found at
All reviews from Sleep Sherpa are based on my personal views of the product. If you use one of my links and purchase a mattress or other product you should know that most of the companies pay me a small referral fee. This is how I earn a living. Also, most of the products reviewed were given to me by the manufacturer. Visit for more information.