Serta Perfect Sleeper Best Day 12" Firm Twin XL Mattress with Serta Motion Air Adjustable Base

Featuring an 825-coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band and Cool Twist® Gel Memory Foam that contours to your body. And you can enjoy the customized comfort of an adjustable base with the Motion Air™ model. It allows you to adjust the head and foot of your mattress with a wireless remote, so you can find your optimal position for sleep, work or relaxation.