The Outlast memory pillow is made from 65kg/m&sup 3; high density memory foam, & has the ability to mould to your shape, working to support your head & neck in the correct anatomical position. The support offered by the memory foam in this medium to firm feel pillow will help to ease any neck or shoulder pains, for a more comfortable night&39s sleep. The pillow cover provides a wonderfully soft place to lay your head, & features an internal 100% Egyptian cotton cover, & an external cover featuring temperature regulating Outlast fabric, which ensures youre not too hot or too cold, but just right during the night. This Outlast memory pillow is hypoallergenic & antibacterial, & also inhibits the development of dust mites, making it the perfect sleep environment for sufferers of allergies & asthma. Outlast is a technologically advanced material that was originally developed for NASA astronauts to control extreme temperature fluctuations during space flight. The Outlast fabric in this pillow is designed to draw any heat away when your body temperature rises, the heat energy is stored, & then released when your body temperature begins to cool, keeping your face & neck not too hot, not too cold, but just right during the night. Manufactured in the UK with quality raw materials & detailed finishing, you can purchase your Outlast memory pillow with the confidence of a 12 month manufacturer&39s warranty from one of the UK&39s leading memory foam mattress & sleep products manufacturers.