if Im wearing extra layers like a hoody over a tshirt, I will sweat through the t shirt and if I add a light jacket over the hoody, I will sweat through the back of the hoody even in 50 degree weather

is this caused by my high body fat %?

Ya. Have really hard time cooling down when I get hot

Yep, I'm a fairly heavy sweater, especially when humidity is involved.

It's better than it used to be, but occasionally I'm in a shirt and tie on a 90 degree day somewhere inside with no AC and I embarrassingly sweat out my entire shirt. Once it gets rolling, it doesn't stop.

it means you're unathletic

I’m worse than anyone on the planet . Cannot wear ski googles ,reading glasses etc because I fog every god dam thing up.
I can be sting in a vehicle, and my co workers window is clear , but I’m constantly scraping my side so we don’t lose visibility out of the window .
I was working the other day in the basement area of a newly built apartment building , and as soon as I started working I had sweat pouring off my head .
I was wearing a T shirt and the other tradies had jackets on. You could almost see your breath , so it was just above freezing .
No idea wtf causes it,but I’ve had issues as long as I can remember, even back in my skinny days

Sweating armpits both when hot or cold. Apparently could be some heart problems