4" HD Cool GEL Memory Foam Layer: Sleep Cool Technology Memory Foam! * 1" HD Comfort Memory Foam Layer, 2" Cool Airflow and 7" HD Base Foam * Made with Highest Quality and durable 4-layers construction! * Luxurious white cover with brown suede on corners, fire barrier, zipper cover! * 120 day trial! Warranty: 20 years Limited Warranty.