Forefront 3 MIPS | Matte Slate Size:Large (59-63cm) AirEvac ventilation system integrates with

AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses

scratch-resistant Techlite™ polarchromic glass lenses cut glare and adapt to ever-changing light conditions

Seamlessly add Rx lens compatibility to seven performance shield sunglass styles only with this lightweight

Fits over the glasses (OTG) and is compatible with our ODS3 optical docking system (ODS) prescription lens insert

Medium / Large fit for faces with a lower nose bridge and/or a wide or high cheekbone shape

Forefront 3 MIPS | Matte Slate Size:Large (59-63cm) AirEvac ventilation system integrates withProduct Details Protection Complete KOROYD coverage for lightweight, energy absorbing and ventilated impact protection Mips Air Node Safety System is integrated directly into helmet padding to reduce rotational forces caused by angled impacts to the head A complete roll cage is integrated throughout the helmet to help distribute impact forces for a maximum level of protection Complies with U. S. CPSC Safety Standard for Bicycle Helmets for Persons Age