Yup 
Yup. 

I agree.

When I was in the middle east and welding, I gave up layers to help shed heat. I have the scars to prove it. One layer of cotton overalls was about all I could stand to wear while welding. 

If you ever get over to the US, there are several good brands of boot makers that are starting to cater to women. They aren't cheap, but... Loosing toes or being in pain or having swampfoot is worse. 😁