The Intro Firm Mattress represents our most economical solution. It has tighter foam compression and firmer resistance to provide a more dense sleeping surface. A Double thermally bonded cotton insulator provides durable body support. The innerspring unit helps transfer motion and minimize partner disturbance. The mattress offers an attractive, soft stretch knit fabric cover that's quilted to polyester fiber for additional comfort. The Intro Firm Mattress provides sound body support and is an extremely budget friendly option.