Wake Up Rested on a Medium Plush Hybrid Mattress: 14 inch mattress with breathable knitted fabric actively wicks moisture. maintaining comfortable mattress temperature all night Minimized Motion Transfer. Even for Heavy Couples: Advanced pocket spring system with individualized motion isolation significantly reduces movement transfer Edge Support That Holds Strong: Reinforced perimeter coils support up to 600 lbs. preventing roll-off and creating a reliable mattress for back pain relief Targeted Pressure Relief for All Body Types: Medium soft mattress (5/10) combines body-contouring memory foam with 7-zone springs for precise support in key areas. ensuring deep pressure relief whether you're lying on your back or side Easy Setup & Maintenance: Compressed mattress in a box with handles simplifies rotation; Pro tip: Rotate head-to-foot every 3-6 months to maintain even support; CertiPUR-US certified. no fiberglass -