"Making the fastest riders faster" is our mantra and the Aerohead II Mips is the first product of our partnership with the world's fastest riders on Team Visma / Lease a Bike.Designed with CFD and VR, proven in the wind tunnel with 2x Tour de France winner Jonas Vingegaard, the Aerohead II Mips® is our most aerodynamic time trial helmet ever. With the protection of Mips® Air Node, a lightweight and ventilated solution for rotational energy management CE and CPSC safety standards are met and exceeded. Visibility is optimized with a magnetically attached oversized eye shield by Zeiss® Optics that is positioned away from the rider's face, allowing air to flow over the brow and beneath the Roc Loc® 5 Air fit system. Each Aerohead II comes with two eye shields (Clear and Vivid® Smoke) and a padded carrying pod. Engineered speed — the Aerohead II is your advantage.Shield Type2x vented eye shield by ZEISS® Optics (VIVID® Smoke and Clear) Magnetic lens anchor attachmentCircumference59-63 cmConstructionIn-Mold polycarbonate shellVentilationPluggable front vent with deep internal channeling Over-brow ventilation via Roc Loc® AirFit SystemRoc Loc® 5+ AirSuper Fit engineeringProduct Weight450g (size Medium CPSC, CE)CertificationComplies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and OlderE.U.: CE EN1078HighlightsSuper Fit™ engineering2x vented eye shields made by ZEISS® Optics (VIVID® + Clear)Magnetic lens anchor attachmentIONIC+™ anti-microbial paddingOver-brow VentilationSlimline webbingMips® Air Node rotational energy management system