I got my first pair of Redwings in 78. I've had 2 other pair since. All steel toe lace ups. They weren't always the most comfortable, until broken in. After that, they were like a part of my foot. The last pair I bought had a Goodyear Aqua-Tred sole. Strangest thing I ever saw. I told people I got them so I wouldn't hydroplane.
Last fall, I was going through my late step-dad's belongings. He was a pipeline welder and had all kinds of Carhartts and other stuff from jobs he worked. I think it was in their contract that they were provided this stuff, as some of it had never been worn. He was much smaller than me, so I couldn't wear any of the clothes.
He did have a pair of Caterpillar (like the equipment) steel toed lace ups. It looked like they were worn for a wekk or two. I tried them on and they are very comfortable. They are also insulated, so I couldn't wear them this summer.
However, looking at the construction, I doubt very seriously that they will be around as long as my Redwings.