Originally Posted by
zizou
Surely it would get far too hot - it would be sealed to face so no airflow and having screens close making it even hotter. Im a pretty heavy sweater when exercising and it would take about only a couple of minutes for sweat to start dripping in my eyes - but i wouldnt be able to wipe it away because the goggles are there. Sounds quite unpleasant!
The sweat factor would definitely be a factor. I supposed it depends on how narrow the inside eye pieces are...given your eyeballs don't sweat, smaller pieces may not be a problem. I'd say the goggles out there that look more like sun glasses, vs. snorkeling goggles would be better.