Advanced supportive features and modern comfort come together in the Aireloom Onyx Preferred San Mateo Streamline™ Plush Mattress. This luxurious mattress features a combination of supportive materials like Airebraid™ Performance Fabric, Talalay Latex and Aireluxe™ foams to guarantee a restful sleep. The San Mateo is covered in Tencel® New Age fabric, a innovative surface fabric that is cooling and silky smooth. Underneath these surface layers is the groundbreaking Aireloom Lift™, a natural sleep chamber in between the modern Pocket-Flex Micro Coils and mattress top which synchronizes every supportive element with your body, while also providing enhanced airflow. Dressed to impress, the San Mateo displays the signature Aireloom plaid look with refined tailoring.