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I have a very big hat size and these do fit me. I worked with these for four days, sunshine and rain and they were very comfortable. The mesh is fine and keeps out everything, especially chainsaw waste. Vision is good and I think it's worth it to stop fogging.
Only one of the strap adjusters worked properly. I wore the goggles while mowing around young trees in black fly country. Occasionally the odd one would still get in, but by and large the goggles and the earplugs allowed me to work unimpeded. The goggles leave deep welts in one's skin after use if they are adjusted tightly enough to keep black flies out. Basically, they're pretty good, though a bit fragile and fussy for general use. I haven't tried them for planing lumber yet. I suspect their advantage will be that I'll be able to wear a dust mask while using them. My glasses fog immediately with a dust mask normally. My son warned me not to use them for cutting metal in case I ever needed to have magnetic imaging procedures in a hospital.
Very pleased with these. They stop most of the particles when you use a saw of a sander. I sweat a lot and normal safety goggles always fog up inside a few minutes. With these there are no fogging. You can keep on working without having your vision impaired by fog. I wish I knew about these a long time ago
Dopo pochi e saltuari utilizzi si sono rotti irreparabilmente. La gomma che li costituisce non è adeguatamente resistente. Sconsigliati se dovete usarli più di una decina di volte e magari al sole con relativo sudore come ho fatto io