: Best suited for a low loft (under 3 inches) and soft pillow to prevent the neck from arching backward and causing strain.

: Need a medium loft (3–5 inches) and medium-firm support to cradle the natural curve of the neck without pushing the head forward.

Your posture is the most critical factor in determining the necessary loft (height) and firmness.

: Require a high loft (5–6 inches) and firm support to fill the gap between the ear and the shoulder.

Different fillings offer varied levels of support, durability, and temperature regulation.