The ULTIMATE ADJUSTABLE MEMORY FOAM PILLOW features an innovative 4-layer design that adapts effortlessly to both narrow and wide shoulder widths, making it perfect for personalized comfort whether you're a side, back, or stomach sleeper. This ultra-supportive, very firm memory foam pillow cradles your neck and spine, effectively reducing headaches and shoulder discomfort, and is recommended by Osteopaths for post-surgery recovery and anyone seeking exceptional neck pain relief. Cooling memory foam ensures a comfortable sleep even on warm nights by offering superior temperature regulation, keeping you cool and refreshed throughout the night.