The Neleh 10'' Cal King Copper-Infused Memory Foam Mattress is part of our line of copper-infused memory foam mattresses that form to your body, creating a customized sleep experience that is as unique as you are. The Cool Touch Cover regulates body temperature and wicks moisture away, for a cool and dry night's sleep no matter the season. Our 10-inch California King mattress features triple layer construction that consists of: 2.5-inch copper-infused memory foam, 1.5-inch of Plush foam and 6-inches of high density Base foam. The Neleh Collection's selection creates the perfect fit for your personal sleep experience. This mattress is Made in the USA.