I had a similar scenario as Mike...except when I went to flip on a pair that came in- I got it flipped up alright, right out of the shoe, clangn n bangn against the gun and off go the coyotes into the fog.
Operator error- didn't have shoe release set correctly due to practicing at home wasn't as intense.
In my opinion helmet is WAYYYY more practical for me than handheld. I spent many years red light scanning and handheld thermal scanning and will never go back.
I use a NVision Nox18 at 1x base and Team Wendy EXFIL bump. Wilcox G24. Mod Armory J Arm.
I can turn it up to the side. I cant keep the helmet on and drive(Not to scan and drive).
The ventilation is fine. I have a cover on it.
We have basically 5 months here of humidity over 75% plus mosquitoes that are just horrible.
Weight isn't an issue for me.
Navigating is fine. ...The only time it sucks is when we get snow...which can be any where from 6" to 3 feet and you loose depth of perception anyway.
I've used my Pulsar XP50(1.6X) in the past and have a Axion 2 XG35 640 (2.5X). For me the XP50 was great except for the weight of holding it. The Axion base mag sucks and in my opinion anything over 1.5x sucks.
They are many helmet options out there along with accessories..many thermal options out there. Some of the helmet options are rather pricey but we'll worth it in the end.