The Beautyrest Black Series Three Plush Hybrid Mattress combines advanced Triple-Stranded Pocketed Coil® Technology with premium specialty foams for individualized support and motion separation. Perfect for side sleepers, it offers a deeply contouring feel with enhanced pressure relief. Stay cool with the Sleep Climate™ Surface and Micro Diamond™ Memory Foam, while Self-Response Latex provides responsive comfort. With a plush feel, adjustable base compatibility, and CertiPUR-US Certification, this 100% USA-assembled mattress delivers luxurious sleep with free delivery and a 10-year warranty.