Best Cooling Mattress Toppers for 2023: The best cooling gel memory foam mattress toppers will improve as 2023 draws to a close, thanks to advances in sleep technology. This year's greatest cooling mattress toppers have cutting-edge components and construction that encourage airflow, disperse heat, and control body temperature as you sleep. These toppers put comfort first and create the perfect sleeping environment, guaranteeing a cool and peaceful night's sleep for people of all sleeping preferences.