The Classic Firm:
Serta® has pioneered sleep innovation for more than 90 years. Every mattress across the Serta® portfolio is designed to provide superior comfort you can trust night after night. The new Serta Classic collection provides a cooling and supportive mattress that delivers the trusted comfort of Serta®. Cooling gel is swirled directly into a breathable foam designed to promote airflow and heat dissipation. In addition to providing contouring, cradling support, this system of up to 805 individually wrapped coils.
 
Tech Specs: 
 
Comfort Feel:
Firm
 
Comfort Layers:
0.5" Serta Support Foam
1" Serta Support Foam
 
Support System:
805 Individually Wrapped Coil System
BestEdge® Foam Encasement
 
Mattress Height:
10.5"