How long will the temperature regulating properties last? July 18, 2017 18:08 The energy temperature regulating properties of The Matterhorn will remain night after night, allowing you to enjoy the temperature regulation benefits for the lifetime of the product. Was this article helpful? 0 out of 0 found this helpful Can't find what you are looking for? email@example.com Chat With Us 801.919.8292 Related articles What type of latex do you use? What is a Phase Change Material?