We feel that it is very important for every person to sleep on a mattress that suits their preference. Thanks to the SmartComfort® system that provides up to 16 different comfort levels on each side of the mattress. Enables you to personalize your mattress based on you and your spouse needs. The SmartComfort® system also makes it easier for you to buy a new mattress, because you don’t have to worry of buying the wrong one. With just a simple action : Unzip & Flip, you can customize and personalize your mattress in less than 5 minutes.