Pearl 8" E.King The Simplicity Collection provides a modern style and value for comfort. Each mattress is hand crafted and designed to suit your everyday restful sleep at affordable prices. These classic durable innerspring units are the essentials of a good nights sleep Pearl Simplicity Collection is a great, classic starter mattress. The core of this mattress is a high profile orthopedic designed innerspring unit, topped with a foam layer and fiberfill. Supportive and comfortable, this mattress is made most affordable. Comfort level: Medium