A new, easy way to bring home comfort, the Serta Chinook Mattress In A Box is designed for every kind of sleeper. The soft fabric cover is breathable promoting airflow to help regulate body temperature. Two inches of premium PolarBreeze™ Gel Memory Foam provides conforming pressure relief enhanced with cooling comfort. The core of the mattress is made from Serta’s durable SoyTouch™ foam that provides full body support with a touch of soy for long lasting comfort that is also friendly to the environment. With the Chinook Mattress-in-a-Box, Serta provides everything you need for a restful night’s sleep.