My thought is that anything that's any darker than these, is not a good idea at night.
Something like this would probably be better.
If glasses appear dark, then they block light. Blocking light at night in the dark isn't a good thing.
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Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa

SOLD 2004 - gone but not forgotten