The Terrain is the next level low profile equestrian helmet with 12 extra large vents and a frontal reinforcement cage for maximum airflow and added impact resistance. With a patented, moisture-wicking Coolcore® headliner treated with innovative FUZE technology that fights odor-causing bacteria, this helmet is engineered for cool, comfortable rides. Highly-engineered vents encourage airflow to keep you cool and comfortable Patented Coolcore® headliner moves moisture and sweat away from your body while dissipating heat Headliner treated with FUZE technology for permanent, chemical-free, anti-odor performance Latest generation, micro-adjustable DialFit™ system for precise fit Front cage reinforcement for added impact resistance; ASTM/SEI-certified Troxel Terrain Helmet - Black Duratec