Adjustable base Friendly. Hand crafted to ensure the highest quality. 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. ComfortSense Premium Memory Foam gives you pressure relief to help fight those aches and pains. Response Pro Zoned HD Encased Coils gives you support and longevity.