Sleep cooler with the Storm Performance® Pillow—designed for enhanced cooling and breathability. This king-size Storm 3.0 pillow features an instant-cooling cover, Air-X® Mesh and air vents for consistent ventilation, and an innovative hybrid design that features adaptive React™ fill materials for the ultimate balance of comfort and support. The Storm series is ideal for most sleepers with 4 available size heights. Each size ensures the correct pillow height for proper spinal alignment. The Storm 3.0 is ideal for side sleepers.