Why settle for anything less than the best? This hybrid design offers the coolest comfort a pillow can offer. Constructed with open-cell ventilated SensorFOAM for exceptional breathability and infused with cooling gel support beads for pressure-relieving exceptional comfort. The luxurious circular-knit cover allows for additional air-flow, but it’s the actual fabric that makes this the coolest sleeping pillow around. Engineered to be cool to the touch and deflect heat, SuperCOOL fabric keeps you cool and comfortable throughout the night, so you get the revitalizing sleep you deserve. The iCOOL Technology System further enhances the pillow’s breathability and cooling restorative comfort.