1. Soft and comfortable, meet the needs of daily wearing, no pressure 2. Good air permeability, not easy to crack 3. Easy to replace 4. Good sound insulation, anti-slip, good air permeability and elasticity 5. Real machine mold opening, in line with ergonomic design 6. The head beam pad conforms to the contour of the head, distributes the weight evenly, and eliminates all pressure points.
