Serta Perfect Sleeper X - Prescott 14" Medium Firm Hybrid Cal King Mattress | CertiPUR-US certified, 10 Year Limited Warranty, 100-Night Trial, Made in the USA with global components, cooling tech

Pressure Relief. Serta's Perfect Conform memory foam works with the cal king size mattress's coils to further contour and cradle your pressure points for a rejuvenating sleep

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

Cool Feel System. This cooling mattress utilizes graphite infused memory foam swirled into premium memory foam to promote heat distribution and keep you comfortable throughout the night

Medium Feel. The perfect balance between medium and firm; Great for stomach or back sleepers; 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 five zones of coils and contouring memory foam to offer comfort and support where you need it most for full-body spinal alignment