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"TRUMP"
Guest
That's bad luck. I dropped mine several times but they never broke. Dropped on tile, wood, gravel but not full concrete however. Alot of glass lenses these days are tempered and tested with a ball bearing drop. But no, they are certainly nowhere near as impact proof as polycarbonate. Glass benefits are clarity and scratch resistance.
I dropped mine on a boat while I was cobia fishing and they shattered.
I live close to daytona beach where they were founded and everyone else here loves them. I love my oakleys.