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

Pressure Relief. King size mattress hybrid with Serta's premium Perfect Conform memory foam, which is graphite-infused and designed not only to provide targeted pressure

Cooling. King mattress with graphite-infused memory foam, Cool Twist Gel memory foam with cooling gel swirled into premium memory foam, and Ever Cool Supreme memory foam offers enhanced airflow, heat dissipation, and contouring comfort

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

Plush Mattress Feel. Great for side sleepers for extra comfort at the shoulders, hips and lower back; This smooth top hybrid mattress is not compressed into a smaller box and is Assembled in the USA

Support. Serta's 5 Zone Active Design combines coils and contouring memory foam to offer comfort and support where you need it most for full-body spinal alignment