Some pillows have a traditional rectangular shape, while others use contoured designs intended to provide different levels of support. Each design has potential advantages depending on individual preferences. When considering the Hewelth MaxBreath Pillow, consumers should verify whether it has a flat, contoured, or adjustable design. Without confirmed product specifications, its ergonomic characteristics cannot be established. Choosing a pillow based on verified information is more reliable than assuming it includes a particular support system.