Hybrid Structure Combination of cooling gel and 60D high-density slow-rebound urethane Efficiently releases heat and improves breathability Recommended for those who get hot easily or sweat a lot High-density slow-rebound material (60D) Fits the lines of the head, neck, and shoulders Distributes pressure and supports a natural posture Durable and resistant to wear even after long use Ergonomic 4-zone design Stabilizes the head and reduces strain on the neck and shoulders Suitable for both back and side sleepers Cooling contact cover included Cool and refreshing to the touch Machine washable for cleanliness Safe for sensitive skin and allergy sufferers Two models with selectable heights Available in high and low options Choose the optimal height to suit your physique and sleeping position Easy care The main body cannot be washed, but the cover is washable Wipe the main body with a dry cloth to remove dirt 【Recommended for】 Those who get hot easily or sweat a lot Those suffering from neck and shoulder stiffness Those looking for a high-performance pillow for year-round use Those with sensitive skin who prioritize cleanliness Those who want to choose a pillow according to their sleeping position, such as back or side sleeping