The Presence firm mattress is designed with a combination of advanced materials to provide a supportive and hygienic sleep environment. Its features include an Anti-Microbial Silver Fire Barrier and a 2" Gel Infused Firm Quilt for comfort. The mattress also integrates 1" Gel Infused Memory Foam and 2" High Density Support Foam to ensure firm support and durability. The 700 Series Calibrated Edge Pocketed Coils are engineered for optimal edge support, while the additional 1" High Density Support Foam and a substantial 13.5" profile contribute to the mattress's overall firmness and support structure. This mattress is a testament to the sophisticated engineering that goes into creating a sleep surface that balances comfort with firmness.