Cobalt Calm PT- Plush Twin XL Mattress w/Low Foundation by Serta PerfectSleeper

Your days of staring at the ceiling just waiting to fall asleep are finally coming to an end thanks to the impressive Cobalt Calm PT- Plush Twin XL Mattress w/Low Foundation by Serta PerfectSleeper. This powerful mattress features four comfort layers — PillowSoft® Aire, Cool Twist® Gel Foam, Deep Reaction™ Memory Foam, and Cool Twist® Gel Memory Foam — which, combined with its 3-Zoned Coil Design, work together to provide cooling comfort and targeted support all night long. Complete with Antimicrobial Mattress Protection and a sturdy StableSupport™ Foundation, this mattress is everything you've been looking for — and more.

About Deep Reaction Memory Foam: a new material designed to provide a more substantial feel, which is not normally found in traditional memory foam.

About PillowSoft® Aire: Soft foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design.

About Cool Twist® Gel Memory Foam: This breathable memory foam helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring type of comfort.

About 3-Zoned Coil Design: This coil density system offers three support zones with targeted support for your lower back, hips and cradled comfort everywhere else.

Comfort Layers:

- PillowSoft® Aire

- Cool Twist® Gel Foam

- Deep Reaction™ Memory Foam

- Cool Twist® Gel Memory Foam

- 850 3-Zoned Coil Design