The frame feels very valuable and is quite rigid. The glasses are quite dark, but m. E. spite Category 4 also suitable for road transport. But let everyone decide for themselves.
It would not surprise me if I order nor the other two models ... ;-)
Supplement for 3 weeks:
As before class. The first impression was not deceived. Especially when driving, I would not have missed this glasses. From "outside" they may be black as night, but they are m. E. definitely not too dark road. Even on shady Highway avenues and not as gaudy sun is perfectly fine. Thumbs up!
