Personalize your sleep experience with our luxurious double-sided 4-inch memory foam mattress topper. Unwind on its ventilated, cooling gel-infused memory foam side that cradles your body as you sleep or opt for more support from the cooling gel-infused foam side. The Sleepy's 4" Reversible Gel Memory Foam Topper is designed to provide optimal comfort and year-round temperature regulation. It features a non-slip, cool-to-touch, and antimicrobial cover that can be removed and washed so your sleep surface stays healthy and clean night after night.