DESC: This helmet is as light as it gets for alpinists and climbers moving fast. Built with EPS foam that's been co-molded with a polycarbonate shell, the Tracer offers excellent structural integrity. Plenty of vents provide good airflow and the top vents are mesh covered to keep debris off your head. It's available in three sizes, each with a one-handed quick-adjust system. The Kid's Tracer fits smaller heads. CE and UIAA-certified.