Core Technology - Quadruple Spinal Protection System 870 hollow independent pocket springs provide 5-zone support for head, shoulder, waist, hip, and calf, reducing spinal distortion. Silent and anti-interference design eliminates vibration transfer, increasing deep sleep duration by 30%. Edge reinforcement for durability. Gel memory foam constant temperature pressure relief layer: 5cm thick gel memory foam absorbs 90% of body pressure, simulating zero-gravity floating. Honeycomb vent design keeps you cool, reducing perceived temperature by 2-3°C. 3D Fabric System: Three-dimensional breathable mesh fabric increases breathability by 200%, keeping you dry all night. Silver-ion technology maintains fabric cleanliness for sensitive skin. No fiberglass safety structure: Food-grade flame-retardant knitted fabric replaces traditional fiberglass, avoiding skin or respiratory irritation.