With its vented lens, SIERRA manages vision-robbing condensation, while providing comfort and optical performance at the same time. LENSES Vermillon Gun Cat 2 PC lens for mixed weather with a 20% VLT and a pink base tint that maximises color definition and depth perception. 100% UV protection. Weight: 107g Double lens UV protection Flow-Tech® venting Anti-fog treatment P80+ Optical clip compatible Carbo Glas® anti-scratch