Equipped with injection-molded high-impact lens protection, HDO(R) optics and streamlined frame geometry, O Frame 2.0 Pro S extends style and performance to a small or youth-sized fit. Features: Evolution of the original Oakley O Frame goggle Fit: Small or Youth Microbag included for storage and lens cleaning Discreet frame notches at temples provide compatibility with most prescription eyewear 35mm adjustable strap with silicone lining for a more secure fit Flexible O Matter(R) chassis conforms to your face comfortably, even in extreme cold All-day comfort of triple-layer face foam with moisture wicking polar fleece lining Optically correct Dual Lens with F3 Anti-fog coating Technology: Injection-molded Plutonite(R) lens material provides 100% protection against UVA / UVB / UVC Additional Details: Meets impact requirements based upon ANSI Z87.1, EN 174, and ISO 18527-1