Come and see our amazing products.It is made of PC + EPS. The internal recessed channel manages the airflow through the bicycle helmet and head, sucking cold air from the front and pushing it through the air duct matrix to reduce overheating. Soft and comfortable. Designed for urban commuting, bicycles and bicycles, it is suitable for people who like to ride motorcycles, cities, highways, electric bicycles and hiking bicycles. Pls confirm further with us if any query about packing info, inventory status and time schedule.