【Fit and Support】 This cushion perfectly fits the shape of your head thanks to its adjustment layer, providing firm support for your head and neck. It achieves the best fit and supports comfortable sleep. 【Breathability and Cooling】 With over 90% air space, it releases heat and moisture generated during sleep. It cools the brain and provides deep, comfortable sleep. - Fit: Best fit - Support: Firmly supports the head and neck - Breathability: Provides a comfortable sleep environment with over 90% air space, achieving a personal fit