I used those for years duck hunting in Oregon and they saw rain maybe 20 times per season for probably 6 seasons...mine are 9 yrs old and still going strong...Howard Leight if I recall corrrectly.I used to use Caldwell, but I hunted in the rain once and they fried. Definitely not waterproof lol, I should definitely have checked the weather for that day instead of assuming that clear skies now=clear skies later.
What I use now are Howard something or other, Howard Light maybe? Anyways I like them, but haven't tested them in rain for water proofness.