The Flexcell 700 Coolmax from Breasley is made using a base layer of reflex foam which is 130mm deep finished with a top 70mm layer of memory foam. The mattress has a coolmax cover which is designed to take moisture away from the body and help keep the body cool by providing the body with air. This Breasley has a softer feel providing a great nights sleep. The total depth of both mattresses is 200mm. The memory foam density in this mattress is 55kg/m which is a high quality memory foam.