Oakley O Frame size Medium  Equipped with injection-molded high-impact lens protection, HDO® optics and streamlined frame geometry. Features: Evolution of the original Oakley O Frame goggle Microbag included for storage and lens cleaning Discreet frame notches at temples provide compatibility with most prescription eyewear 40mm adjustable strap with silicone lining for a more secure fit Flexible O Matter® chassis conforms to your face comfortably All-day comfort of triple-layer face foam with moisture wicking polar fleece lining Injection-molded Plutonite® lens material provides 100% protection against UVA / UVB / UVC Optically correct Dual Lens with F3 Anti-fog coating Meets impact requirements based upon ANSI Z87.1, EN 174, and ISO 18527-1 Lens Details: Light Transmission: 17% Light Conditions: Bright Sun Contrast: Neutral Base Lens Color: Grey Information notice: 1 SKU: 1549805 Oakley O Frame 2.0 Pro M Snow Goggles - White With Dark Grey Lens