The Classic Series covers the basic need for good sports glasses and has some of the same features as the 2.0 series, but is the first version of the lenses. The glasses come in two sizes, with the standard model being the widest. They look the same and have the same technical characteristics, but Standard is a bit wider and has longer spectacle bars. The standard model fits with standard lenses. Dimensions of Classic Standard: Height of Regular lens: 5 cm. Length: 17.5 cm. Width: 15.4 cm.