Hybrid Structure Combines cooling gel + 60D high-density low-resilience urethane Efficiently releases heat and improves breathability Recommended for summer or those who sweat a lot while sleeping High-Density Low-Resilience Material (60D) Fits the contours of your head, neck, and shoulders Distributes pressure and supports a natural posture Resists sagging and is durable even with long-term use Ergonomic 4-Zone Design Stabilizes the head and reduces strain on the neck and shoulders Supports both back and side sleeping positions Includes a Cool-Touch Cover Cool and smooth to the touch Machine washable for easy cleaning Safe for sensitive skin and allergy sufferers Two Height Options Available Choose between high or low Select the optimal height based on your body type and sleeping position Easy Maintenance The main body cannot be washed, but the cover is washable Wipe away dirt from the main body gently with a dry cloth [Recommended For] Those who tend to get hot or sweat a lot while sleeping Those suffering from stiff necks or shoulders Those looking for a high-performance pillow usable year-round Sensitive skin individuals who prioritize cleanliness Those who want a pillow that accommodates their sleeping position, whether on their back or side