The 3D structure of the inner core promotes air circulation for enhanced breathability and helps to prevent overheating. Why Buy Me? Benefit TickBreathable and supportive mattress. Benefit TickEntire mattress is machine washable at 60°C. Benefit TickReversible, prolonging the life of the mattress. Benefit TickFast drying for convenience. Benefit TickHypoallergenic and anti-mite properties.