Golden Cut Shape With Scientific Zoning The Shape Of This Wedge Pillow For Sleep Apnea Is Very Ergonomically Designed. There Is A Cervical Traction Area With A Notch To Fit The Chin And Fit For Support And Protection. The Center Section Is A Chest Pressure Release Area To Release Chest Pressure. The Lower Part Of The Interview Lumbar And Abdominal Support Area, Can Be Soft To Support The Body Important, Lying Down When It Will Not Be Deformed.