Firm King Size Mattress, 12 Inch Breathable Hybrid Bed Mattresses for Side Sleepers & Couples, Enhanced Lumbar and Shoulder Support, Motion Isolation Pressure Relief, Fiberglass-Free 12'' Premier King

Extra Shoulder & Lumbar Support: Designed with a specialized zoned construction, this king mattress provides targeted relief for the shoulders and lower back, helping to alleviate tension where it's needed most. An excellent choice for those who experience discomfort in these pressure-prone areas.
Enhanced Breathability for Cooler Sleep: Designed with a breathable open-coil structure, this king size mattress offers up to 10 times more airflow compared to traditional all-foam mattresses. Paired with cooling gel memory foam, it effectively regulates body temperature, ensuring a fresh and comfortable sleep throughout the night.
Premium Motion Isolation for Undisturbed Sleep: Constructed with 960+ individually wrapped 2.0mm reinforced steel coils, this hybrid queen mattress minimizes motion transfer by absorbing movement at the source. Ideal for couples, it helps ensure a quiet, uninterrupted night’s rest—no more being disturbed by your partner’s tossing and turning.
Certified Safe & Fiberglass-Free Materials: This 12-inch king hybrid mattress is crafted from premium materials that meet CertiPUR-US, OEKO-TEX, and CFR1633 safety standards. Free from fiberglass and harmful chemicals, it offers a cleaner, healthier sleep environment for you and your family.
About UniPon Brand Service: At UniPon, your comfort and trust are our top priorities. Backed by over 40 years of expertise, we proudly offer a lifetime support service and a 365-night trial on every mattress-in-a-box purchase — because your peace of mind matters just as much as your sleep quality.

Firm King Size Mattress, 12 Inch Breathable Hybrid Bed Mattresses for Side Sleepers & Couples, Enhanced Lumbar and Shoulder Support, Motion Isolation Pressure Relief, Fiberglass-Free 12'' Premier King

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