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The Sertapedic 12" Hybrid Medium is Serta's mattress-in-a-box hybrid: cooling gel memory foam over a pocketed coil base, sold compressed and rolled for easy delivery and setup. The medium feel and 12-inch profile put it in the same class as other bed-in-a-box hybrids, but it carries a brand-name backing and a three-zone support design. It suits shoppers who want a conventional innerspring feel with a foam comfort layer without visiting a showroom. Owners rate it well overall, though some find it firmer than expected and note the usual off-gassing period after unboxing.
In stockSold by Serta Simmons Bedding LLCReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners rate it around 4.3 out of 5 and mostly praise comfort and value for a hybrid. Complaints center on firmness being harder than expected and the initial foam odor.
This is a 12-inch hybrid medium mattress from Serta's Sertapedic Mattress-in-a-Box collection. It is made with cooling gel memory foam and comes in a queen size.
The collection includes all-foam and hybrid designs. They have 3 zones for lower back support and a breathable fabric cover. Lower back support is only available in select models.
