Serta® DuoCool 3" Memory Foam Mattress Topper

Instantly upgrade your mattress with the Serta Perfect Sleeper DuoCool Mattress Topper. It's constructed with a cooling gel memory foam inside plus an InstantCool cover outside to give you continuous refreshing comfort for a great night's sleep. The memory foam adapts to your curves for personalized comfort that relieves pressure points while you sleep. This helps prevent tossing and turning and keeps you in deep sleep stages. Sleep peacefully and wake renewed with DuoCool.

Adds instant, pressure-relieving comfort to any mattress
Premium gel memory foam helps promote proper spinal alignment
Cooling gel helps relieve heat for a soothing sleep temperature
InstantCool cover instantly relaxes to help you fall asleep
Machine washable cover stretches to fit up to 17” deep mattress
For all sleep positions – side, stomach, and back
Foam is CertiPUR-US® certified for content, emissions, and durability