VENTILATED SAFETY HELMET - MOUNTAIN HELMET STYLE - Ventilated ABS safety helmet. Mountain helmet style: without visor for the best vertical vision. Less encumbrance. Light. Polyamide cradle: 3 textile bands with 8 fixing points. Thermoformed sweat band. Innovative adjustable ROTOR system : head sizes 53 to 63 cm. Sold with 3 point chin strap. ABS2.