S-M 5 Helmet ECE+DOT. Premium Motocross helmet. Shell constructed from thermoplastic. Three shell sizes. Five-density EPS liner. Removable, washable, moisture-wicking inner lining and cheek pads. Patented visor release system. Sculpted chin bar construction to create relief section, raised to clear the collarbone with soft EPS liner from flexible rubber compound. Premium ventilation system featuring multiple inlets (18) and exhaust (10) ports for maximum airflow. Emergency Release System. Internal hydration system (sold separately) compatibility: Elastic tabs in cheek pads to secure hydration system hose. Removable and washable interiors. 26 mm wide chin strap. Double D-ring retention system. Tech Info: Material: 100% thermoplastic. CE certificate: ECE 22.06 DOT. High ventilation. Breathable.