Targeted Pressure Relief for Side Sleepers & Compact Spaces: The UniPon 10-inch king size hybrid mattress features a comfort euro top, adaptive foam layers, and individually pocketed coils for a balanced feel of comfort and support. Designed with side sleepers in mind, it cushions pressure points at the shoulders and hips while maintaining lumbar support. Perfect for solo sleepers, guest rooms, or growing teens, it delivers personalized comfort and motion control in a space-efficient size. Motion Isolation with Pocketed Springs – king mattress with individually pocketed springs combines the responsive support of traditional springs with the comfort of foam to deliver exceptional spinal alignment, balanced weight distribution, and targeted pressure relief for a deeper, more restful sleep. Individually wrapped coils minimize noise and isolate motion, ensuring you and your partner enjoy uninterrupted nights. Cooling Comfort with Built-In Breathability: The UniPon hybrid king mattress is designed for all-night airflow and temperature regulation. Its premium air-knit fabric cover enhances ventilation, while hundreds of individually wrapped coils create open channels that allow heat to escape and fresh air to circulate. Stay cooling, dry, and comfortably supported—no matter the season. Certified Safe, Fiberglass-Free: The UniPon mattress is CertiPUR-US and OEKO-TEX certified to ensure safe materials, long-lasting durability, and low VOC emissions. A flame-retardant cotton barrier meets 16 CFR 1633 U.S. safety standards—providing advanced fire protection without using fiberglass or harsh chemicals. The UniPon Brand Service: Backed by over 40 years of sleep innovation, UniPon is dedicated to delivering exceptional comfort and lasting quality. Every mattress-in-a-box includes a 365-night trial and lifetime customer support—reflecting our commitment to long-term satisfaction and your peace of mind, night after night. mattress