Tennis is a visual sport centering on a yellow ball and white out-of-bounds lines. These tennis specific sunglasses have a tint that will make the yellow ball and the out-of-bounds lines more visible.
The upper portion of the lens is a 12% light transmission gray and the lower 70% of the lens is a performance aqua tint. When you look up into the sky your vision is shaded by the gray tint and then when gaze returns to court level your eyes move into the performance tint. This will reduce your eye’s light level adaptation by at least one-half second, which equates to significant feet of travel by a high-speed tennis ball.