The rampage comp raises the stakes in the mid level full face helmet market remarkably lightweight and well ventilated the helmet provides comfort and performance for every mountain bike rider product details 11 vents and channels on a race ready fiberglass shell keep the weight down while providing durability and protection designed with 2 fiberglass shell sizes and 3 eps dimensions for a pro level fitting helmet the channeled eps airflow system improves airflow dramatically and helps to kee