Very negative:
- The (anti-fog) coating is an absolute fiasco, at least in combination with the 3M Aura respirator 9322. Within a minute, the good news is already steamed up, and should be discontinued. Unfortunately Miscellaneous Rumgefummel with mask and glasses gave no reasonable solution. The glasses gets from a small touch, and is more or less immediately unusable.
I'll keep still for normal activities. All in all not a bad product, at a good price.