12" Medium Firm Euro Top Hybrid Cooling Gel Infused Pocket Spring And Memory Foam MattressHybrid Cooling Gel Infusion: Combines gel infused memory foam with pocket springs for enhanced comfort and temperature control Hybrid Design: Integrates foam cushioning with coil support for balanced responsiveness and durability Cooling Technology: Gel infusion in memory foam helps dissipate heat for a cooler sleep experience Motion Isolation: Individual pocket coils minimize movement transfer between sleepers Breathability: Open cell structure