The Alpinestars Novus open-face motorcycle helmet is a jet helmet, ideal for urban riding. This features an outer shell made of ABS for high impact resistance, 3 density EPS inner shell., 2 sizes of outer shell and 2 sizes of inner shell for better fit and for added aerodynamics, ample, clear polycarbonate screen with anti-scratch treatment (homologated according to standard ECE 2205) with locking system, inner sun visor with anti-scratch treatment easily operable from outside with a sliding button on the left side of the helmet., Alpinestars A-Head fit technology with two patented structures: one which adapts around the head circumference and another designed to afford a perfect fit to the upper part. This is also operated via a wheel placed on the rear of the helmet and offers an efficient ventilation system consisting of 3 air inlets on the front and 2 rear extractors with internal channelling for superb airflow inside the helmet, expelling heat and humidity from the helmet. The air inlets can be opened and closed via a sliding button which is found on the right-hand side of the helmet, fully removable and washable interior, prepared for installing the A-Connect Intercom System (not included) and micrometric closure.