Grand Hybrid Gold FirmThe Gold Firm mattress delivers ultra supportive comfort with a cool, stable feel, ideal for back sleepers who prefer extra firmness. A high performance cooling cover made with PE yarns offers advanced temperature control and a smooth, breathable surface. Beneath it, gel memory foam and Serene Foam layers provide subtle contouring while maintaining a firm, pressure relieving sleep environment. Zoned, individually encased coils reinforce the center