The plot of each foam can be moved separately and the mattress is able to adapt itself to the patient, which greatly reduces the shear forces. Between the plots are air channels that improve overall air circulation and prevent heat accumulations. This greatly reduces the occurrences of moisture and increases the patient and support contact surface. The foam of the unit is made of high density 40 kg/m3, medical grade, which offers great flexibility and comfort. Furthermore, it boasts a plethora of physical features such as weight bearing capacity and elasticity, which collectively offers class leading resistance against sagging and simultaneously preventing the effects of bottoming.