POC - Auric Cut, Park and Pipe Riding Helmet LINER: The EPP liner provides maximum impact protection in case of a significant fall and will not deform permanently on impact. Can withstand multiple impacts with a very limited loss of performance. ADJUSTMENT: The adjustment system provides a snug fit and the ventilation is easily adjusted from the outside to close off airflow in cold conditions or open it for strenuous hikes or milder days. DURABILITY:: Made from a robust ABS (Acrylonitrile Butadiene Styrene) shell and weighs 585 grams. INTEGRATION: The interior has been developed to provide high levels of adjustable comfort and the removable goggle clip provides a safe attachment. COMMUNICATION: Compatible with POC Aid Communication headset (sold separately).