Impressively designed inside and outside, Kingsdown’s Hybrisense Firm Hybrid Mattress utilizes next-generation comfort materials for undisturbed sleep at an exceptional value. With a firmer overall feel and maximum pressure relief, firm foam infused with cooling gel technology combines with a gel memory foam layer for body-cradling ease and temperature-regulating properties. Minimizing motion transfer and helping to align the spine, motion separation foam, and a posturized center work cohesively