Ps sketch I was looking at the Keens nice looking boot, little more than I wanted to pay and they all have a smooth sole. As Rene and I stated above moist rubber roofs are murder with grippy boots and smooth soles are even worse.
Three selling points for me, water proof, breathable, and side zip. They do have a bunch of work site qualification too that I don't need to worry about but a plus. And the toe is also pretty sturdy and very roomie