Serta Perfect Sleeper Enhanced 13.5" California King Mattress - Medium | CertiPUR-US certified, 10 Year Limited Warranty, 100-Night Trial, Made in the USA with global components, Motion Isolation

Cool Twist Gel Memory Foam - This California king size mattress features cooling gel swirled into premium memory foam. This breathable memory foam helps enhance airflow and heat dissipation for a cool, contouring type of comfort

BestEdge Foam Encasement technology - This twin XL foam mattress provides an extra-deep foam rail to help reduce edge roll-off and extend the sleep surface

Custom Support Coil System - This Cal king mattress features an 825- coil system that provides contouring, cradling support and minimized motion transfer

Cooling mattress utilizes 2 inches of Serta's PillowSoft Aire Soft Foam - This foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design

Questions - We pride ourselves on customer service and urge you to reach out directly with any questions about your Cali king mattress, our expert customer service team will be available to help through any hesitations, problems or questions