Made to fit over most prescription eyewear, the comfortable design of L Frame(TM) conforms around eyeglasses with sleek contours that stay low profile while the lens fights fog buildup. a Closed-cell vent foam keeps out dust and sand particlesa Include only clear lensesa Discreet frame notches at temples provide compatibility with most prescription eyeweara Flexible O Matter(TM) frame optimized for comfort, fit and maximized peripheral viewa Impact-resistant lens material provides 100% protection against UVA / UVB / UVC & harmful blue light up to 400nma Scratch-resistant lens with F2 Anti-fog coatinga Triple-layer face foam fleece to wick away sweata Adjustable 4mm strap with silicone lining for a more secure fita Engineered to fit securely with most helmets without compromising fita Includes microbag for storage and lens cleaninga Meets EN 1938 standard for eyewear protection Dark Grey Light Transmission: 17% Light Conditions: Bright Light Base Lens Color: Grey Information notice: 1 Clear Light Transmission: 93% Light Conditions: Overcast Base Lens Color: Clear Information notice: 0