Adjustable base Friendly. The DuraFlex Pro ventilated edge improves breathability to flush out body heat. The cover with SealyChill delivers a cool-to-the-touch feel, while Surface-Guard Technology keeps the mattress protected. 1.5" ComfortSense Premium Memory Foam with SealyChill Layer at the top improves cooling. ComfortSense Premium Memory Foam gives you pressure relief to help fight those aches and pains. Response Pro Zoned HD Encased Coils gives you long term support.