Serta Perfect Sleeper Select Firm 400 Innerspring Mattress, King

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About Serta Perfect Sleeper Select Firm 400 Innerspring

The 400 Firm mattress features Serta’s Cool Twist Gel Memory Foam and new 739 Custom Support Individually Wrapped Coil Innerspring. It is designed with a unique set of features to help solve 5 common sleep problems: Helps reduce tossing and turning with Cool Twist Gel Memory Foam, Encourages proper back support and alignment with Serta’s new 739 Custom Support Innerspring, Promotes a balanced sleep temperature with an overall mattress design that helps promote airflow, Minimizes impact from partner movement with a premium support system and advanced foams designed for motion isolation, Resists sagging and edge roll-off with Serta’s Comfort Last Construction and Best Edge Foam Encasement. This mattress also features a layer of Serta Balanced Support Foam for that “just right” combination of cushioning comfort and enhanced support. Plus, a lower coil gauge innerspring design helps give this mattress a slightly firmer feel when compared to the 400 Plush. This mattress is compatible with a Serta adjustable foundation. Comfort Scale Rating (of 5) = 2.