IRH's innovative Low-Profile Geometry makes this ATH SSV helmet an ideal choice for any competitor. The center vents are fitted with lightweight, stainless steel grids to provide maximum air flow and maximum cooling. The helmet's outer is a rich, durable ultra-suede and its affixed, flexible visor will absorb frontal shock. The ATH SSV Helmet rentention system is IRH's classic, vented, wrap-around harness to keep your helmet secure and your neck cool. F1163.04a/USA/SEI Certified/EN-1384/CE Mark Europe.