Premium features certified protection and casual styling make the centro a great value for riding around town and commutingone size system designed for easy and accurate fit to a wide range of head sizesheadset sx fit system with micro adjustable dial for easy secure and accurate fit4th dimension cooling system optimises ventilationtri fix web splitter for improved comfort and ease of strap adjustmentsin moulded shell improves strength and reduces weightall around reflective webbing and decals