The category S3 windscreen is designed for riding in strong and harsh sunlight. It will work well for people who are hypersensitive to light and on high-altitude slopes without shaded areas. It absorbs between 82 and 92% of light and has a darkened surface.

The lens with the S2 category is the most versatile. It will work well on a slightly cloudy day as well as when the sun is not too strong. It absorbs between 57 and 82% of light and has a slightly darkened surface.