Ideal for outdoor activities, these high-performance sunglasses feature ultralightweight frames and a shield lens to ensure maximum peripheral vision. The temples adjust to three different lengths for helmet compatibility and signature Prizm technology heightens visual clarity, while Switchlock™ technology provides easy lens changing. 31mm lens width; 131mm bridge width; 121mm temple length 100% UV protection Prescription-compatible Unobtanium® temples and nose pads ensure no-slip grip Fast, secure lens replacement with Switchlock interchangeable lens technology High Definition Optics® eliminates distortion for clearer, sharper, more accurate vision Prizm lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility Lightweight O Matter™ frame material with ellipse metal icon accents Propionate Made in Italy