Sleep is the Ultimate Luxury. Transform your everyday sleep experience into the extraordinary with the Simmons Beautyrest Black Calista Extra Firm Mattress, the only mattress where Luxury Meets Technology™. It’s time to Dream in Black™. The latest advancements in pocketed coil technology, memory foam and high performance fabrics come together to create a luxurious and rejuvenating sleep that can only be experienced with Beautyrest Black®. Advanced Pocketed Coil® technology helps deliver exceptional conforming back support and pressure relief. Luxury Firm Comfort Foam works in concert with the Advanced Pocketed Coil® Technology to create exceptional conforming back support. Micro Diamond™ Memory Foam designed to help maintain an ideal sleep climate. When Luxury Meets Technology™, a new kind of beauty is born - A beauty that allows you to Dream In Black™.