Adjustable height orthopedic pillow can be customized to suit your exact body type and sleeping style. The 6-way contoured memory foam layer design offers optimal neck support and comfort. The Low-Dual height contoured layer + thin foam layer is perfect for back or stomach sleepers or a side sleeper who prefers a low profile. The Medium dual height contoured layer + thick foam layer suits side sleepers with small to medium body sizes. The high dual height contoured layer + both thick and thin foam layers are gret for side sleepers with larger body sizes.