A perfect combination of Theratouch™ memory foam with a luxurious silk cover makes this the most comfortable and supportive mattress ever! Quietis is Night Therapy’s™ top of the range mattress with an incredible depth of 25cm, including a total of 12cm superior Theratouch™ memory foam offering a sumptuous level of comfort.Silk is regarded as the most luxurious natural fibre next to our skin, naturally hypoallergenic, temperature controlling and easy to care for.Silk has the ability to keep you comfortable by absorbing body heat when you create too much, and releasing it when you need it most. By buffering the microclimate next to your skin, it reduces overheating and sweating, helping you to sleep more soundly and wake up refreshed and revitalised.