Upgraded ergonomic curve, neck pain relief more effectively. Compared to other neck support pillows, our cervical pillow has thickened neck contour, bigger shoulder area. Contour pillow conforms to the natural curvature of the neck and shoulder perfectly, allowing the cervical spine to be more efficiently supported, stretched and relaxed. A 70% reduction in pressure on the body and muscle tension maintains good blood flow to your head. No longer wake up sore and stiff.