It is a formulation that provides you with a luxurious look and comfort. It is a specialized type of product that offers a combination of a soft side and a firm side in the same mattress offering you the best of both advantages. The soft side consists of high-quality flexible HD foam, which offers warmness during winter. The firm side consists of supreme quality rubberized coir sheet, which offers coldness during summer. This formulation of such a combination provides the mattress with added support and perfect ventilation.