How does the Climarelle Cool Pillow regulate my temperature?

This pillow includes a membrane under the surface fabric of one side of the pillow. This membrane uses revolutionary microencapsulated fibres that draw heat away from the body when your temperature rises, gently cooling you down. This extra heat is then stored in the fibres, and if your body temperature drops below regular levels, they release this stored heat to bring the temperature back to balance.
This Climarelle technology is the result of development by Dupont SA, one of the world’s leading companies in fibre technology, and was inspired by NASA technology.