ARO3 Endurance is a versatile helmet for the everyday road cyclist. Whether commuting to work or enjoying a weekend ride along scenic roads, ARO3 Endurance is the perfect companion to get you to where you need to go with safety and style.Additional DetailsFit:The Oakley®-designed, 360° fit system incorporates an adjustable dial for a comfortable, customized fit. Overall improvements to the shell shape ensure ARO3 Endurance sits lower on the head for better balance, while fitting more naturally to the contours of your head.Protection: The Mips® safety system is designed for added safety against a variety of accidents, helping to reduce the harmful forces that might otherwise impact the wearers head.Ventilation: Featuring added and enlarged vents, ARO3 Endurance keeps you cool throughout a variety of conditions. A total of 19 vents at the front, rear and side of the helmet redirect air to maximize flow and breathability even during the most intense ride.Lining:The Ionic+Antimicrobial