The Kayflex Coolmax Memoryfoam Mattress is covered in coolmax this is an advanced material, widely used in high proformance sports brands; this material is specialy engineerd to disperse heat and moisture, helping you keep cool and comfortable whilst you sleep, leaving you feeling invigorated and refreshed in the morning. Having 5cm of memory foam on top of 15cm of reflex foam, covered in the latest technology of coverings we are sure you will wake up with a spring in your step; the coolmax mattress is a soft feel mattress which is non turn ans 20cm thick. This mattress represents fantastic value for money