BBB Cycling Unisex's sport glasses Impulse PH, glossy cobalt blue, One Size

Stylish Sport Glasses: Special “quick-snap” system allows you to change the lens easily, while interchangeable polycarbonate lenses with special air flow system are functional and cool. Comfortable: Soft touch temple tips for a firm fit and comfortable wear. Virtually Unbreakable: The high-end Grilamid frame and adjustable rubber nose piece are durable and functional. A block system prevents the temple tips damage the lenses while folded inwards. Store and Go: Includes a carry case for extra protection when glasses aren't being used. Polycarbonate Photochromic Lenses: These lenses have a light transmission of 85-17%. The brighter the light, the darker the lens automatically becomes. One lens provides you with category 1, 2 and 3 levels of eye protection.