The Oasis Firm ET mattress offers a luxurious sleeping experience with its advanced features. The Zen Cooling Fabric ensures a comfortable temperature throughout the night, while the Anti-Microbial Silver Fire Barrier provides safety and hygiene. The combination of Gel Infused Firm Quilt, Serene Foam, and Nano Coils offers a unique balance of comfort and support. The 800 Series Quantum Edge 3 Zone Pocketed Coils adapt to body movements, and the High Density Support Foam adds durability. With a substantial 15.5" profile, this mattress is designed for those who value a firm yet soothing sleep surface.