Experience the cool side of memory foam with Serta’s 3" Gel-Memory Foam Airflow Topper. Gel-Memory Foam does not retain heat like traditional memory foam and features an airflow design for ultimate breathability, keeping you at an optimal sleep temperature throughout the night. Choose between the airflow side for a massage-like feel or the flat surface for contouring comfort. Either way you choose, painful pressure points will be alleviated, proper spinal alignment is promoted eliminating discomforts that could result in tossing and turning. An excellent value, the topper extends the life of your mattress and deepens your sleep. ​​This Serta Topper comes with a 260-thread count cotton cover that is machine washable for easy care.