Pillow Types, Shapes and Support Explained
Most pillow decisions come down to three variables: how high the pillow sits, how much it resists your weight, and what shape it holds. Start with the category that matches your situation.
A pillow does one structural job: it fills the space between your head and the mattress so your neck is not held at an angle for hours. Everything else — cooling covers, fill type, marketing language — sits on top of that job.
If you are unsure where to begin, read how to choose a pillow first, or work from your sleep position.
- By sleeperPillows for side sleepersShoulder width creates the widest gap to fill, so loft and edge stability matter most.
- By sleeperPillows for back sleepersA smaller gap, but the natural neck curve still needs filling without tipping the head forward.
- By supportNeck support pillowsDesigns that prioritise where the neck sits rather than how soft the surface feels.
- By shapeCervical pillowsContoured profiles with a raised neck roll and a recessed head hollow.
- By materialMemory foam pillowsSlow-response foam that keeps a fixed shape and does not need re-fluffing.
- By feelFirm pillowsHigher resistance for broader shoulders, heavier heads or softer mattresses.
The three variables that decide fit
Loft is the height of the pillow under load, not on the shelf. Firmness is how much it resists compression — a firm pillow can be low, and a soft pillow can be tall. Shape determines whether support is even across the surface or concentrated under the neck.
Read more in our guides to pillow height, pillow firmness and pillow materials.
Last updated September 1, 2026