Add a layer of safety to every bike ride with the Smith Convoy MIPS Bike Helmet. This mountain bike helmet features a MIPS liner that reduces your brain's rotational motion during impact, maximizing protection against concussion. The lightweight, in-mold construction boasts a VaporFit adjustable system that gives it a perfect fit, while 20 built-in vents keep you cool on warm-weather rides. A padded lining prevents chafing, and the AirEvac Ventilation system pushes warm air away from your sunglasses to reduce fogging. The Smith Convoy MIPS Bike Helmet has a built-in, removable visor to keep sun out of your eyes on the trail. Polycarbonate shell CPSC, CE EN 1078, and AS/NZS2063 certifications. MIPS liner maximizes concussion protection Lightweight, in-mold construction 20 vents allow cool airflow AirEvac Ventilation reduces fogging on sunglasses Built-in, removable visor Polycarbonate shell Padded lining