Cool, comfort, and convenience combine to bring you first class luxury while travelling, even if you"re sitting in coach. The orthopedic design and our unique Dough® formula creates a soft yet supportive memory foam to keep your neck properly supported. The Z-Gel™ lies on top of the pillow for a cool sleeping surface that will capture and dissipate your heat.The super soft cover is made from bamboo velour and is removable for easy washing. We back this product with a 5-year warranty that covers all manufacturer defects.