New Quake motorcycle riding bifocal sunglasses feature smaller frames and shorter temples to accommodate smaller head sizes. They are equipped with high quality safety rated ANSI Z87.1 impact resistant polycarbonate lenses with UV 100 protection. Vented soft and thick EVA Foam cushions provide comfortable fit. Ultra wraparound frames shield your eyes from the harmful UV rays wind dust and debris. Rubberized ear pieces provide wiggle free snug fit. They are the best bifocal eyewear for motorcycle riding motor cross dirt bike scooter riding motor sports and skydive. Fits Small to Medium head sizes. Free Bikerarmour mirofiber cleaning case is included! GREY LENSES: Compared to other colors grey lenses filter out the most light while preserving true color. So if you are sensitive to bright light choose grey lenses. You should also consider polarized lenses if you want to eliminate glare. NATURAL CLEAR LENSES: Clear glasses provide natural view. These glasses are often used as safety glasses or for nighttime sports such as motorcycle riding cycling or playing baseball. Provides 100% UV Protection. YELLOW NIGHT VISION LENSES: Yellow lenses reduce the halo effect around lights at night. They also sharpen vision in rainy or cloudy conditions. Target shooting glasses often have yellow lenses to help increase contrast and clarity. Yellow glasses are excellent for motorcycle riding and cycling at night. Provides 100% UV Protection.