The 100% Altis Helmet is designed for the modern trailer rider with advanced safety technology and design concepts. The Altis uses 100%'s owen martshock Rotational Protective System (11 point) that reduces energy transfer to the brain over a wide range of speed and impact types. The High Density EPS injection moulded foam with polycarbonate is lightweight and offers a good level of protection. The Altis has plenty of airflow thanks to 14 vents so that you can breath easy. While the multi-point adjustable visor is designed for maximum vision and goggle stowage. It's all rounded out with the adjustable ratcheting fit system for the perfect fit on every ride, and a simple Nexus push release snap buckle. The 100% Altis Helmet is one of the more affordable helmets in the 100% range, yet it still offers the Smartshock Rotational Protective System and lightweight design with a comfortable fit for a great riding experience.