Includes three layers of cooling: Ver-Tex instant-cooling removable cover, a cooling React crown that enhances the cool-to-the-touch feel of the cover, and the React ICE Active Core crafted of innovative, breathable fabric. Air-X mesh and air vents provide airflow and heat dispersion, helping maintain an ideal sleep temperature throughout the night. A zip-off washable cover with a high-efficiency washable design offers convenient and eco-friendly upkeep for a healthy sleep environment.