The Visby Lake Firm mattress features Sertas Cool Twist® Gel Memory Foam and premium 886 Custom Support® Firm Individually Wrapped Coil Innerspring. This mattress also features a layer of Serta Support Foam, which combines gentle cushioning with extra support for more firmness throughout the mattress.
Serta® PillowSoft® Foam
Serta Support Foam
½ Cool Twist® Gel Foam
886 Custom Support® Firm with Best Edge® Foam Encasement