Enjoy the best of plush fiber and supportive memory foam with the SensorPEDIC Gel Core Gel-Infused Memory Foam Clusters & Gel Fiber Bed Pillow, featuring a 300 thread count cover made of 100% cotton for a luxurious layer of softness. Hypoallergenic gel fiber surrounds cool, gel-infused memory foam clusters to provide multiple layers of comfort. The gusseted sidewall cradles the head while aligning the spine to a more natural sleep position for more comfortable night's sleep. This pillow is ideal for all sleep positions and styles.