Serta Perfect Sleeper X - Kendall 13" Medium Hybrid Cal King Mattress | CertiPUR-US certified, 10 Year Limited Warranty, 100-Night Trial, Made in the USA with global components, cooling tech

Support. This California king size mattress features Serta's 5 Zone Active Design, combining five zones of coils and contouring memory foam to offer comfort and support where you need it most for full-body spinal alignment

Certified. All Serta Perfect Sleeper mattresses feature a 100 Night Trial, a 10-Year Limited Warranty, and CertiPUR-US certified foams free of harmful chemicals, so you can rest easy; plus all mattresses are compatible with adjustable bases

Medium Feel. This Cal king mattress offers balanced comfort that supports side, back, stomach, and combination sleepers; This smooth top hybrid mattress is not compressed into a smaller box and is Assembled in the USA

Pressure Relief. Serta's premium Perfect Conform memory foam in this Cali king mattress is graphite-infused and designed not only to provide targeted pressure

Cooling. This cooling mattress has a layer of graphite-infused memory foam and Cool Twist Gel memory foam with cooling gel swirled into premium memory foam for enhanced airflow, heat dissipation, and contouring comfort