Massive airflow with an impressive 14 ventilation ports Smartshock« Rotational Protective System (11 point) Washable, moisture-wicking anti-microbial liner High Density EPS foam injection molded with polycarbonate Multi-point adjustable visor designed for maximum vision and goggle stowage Adjustable ratcheting fitment system Expanded coverage while still lightweight Nexus push release snap-buckle. HLMT ALTIS GRAVEL GY S/M