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The Serta iSeries NXG 4500 Hybrid Ultra Plush is a hybrid mattress that pairs high-density NXG memory foam with a pocketed micro-coil layer and Serta's Q4 zoned support system. Its CoolFeel Plus cover and carbon-fiber memory foam are meant to pull heat away for cooler sleep. The ultra-plush build is soft and conforming, so it suits side sleepers and people who like to sink into a bed rather than lie on top of one. Against firmer hybrids and all-foam rivals, it trades support and edge firmness for pressure relief and cushioning.
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The Serta iSeries NXG 4500 Hybrid Ultra Plush mattress combines high-density NXG™ Memory Foam with the Q4™ Zoned Support System. The system uses Micro Coils to distribute weight evenly and boost pressure relief.
The CoolFeel® Plus System includes Carbon Fiber Memory Foam. It draws heat away from the body to increase cooling through the night.
