If your work leads you into unstable situations. all the more reason to put classic Danner stitchdown construction under your feet. There's nothing more rock-solid than the Danner Acadia.
This version of the time honored Acadia (22600) has 400 grams of Thinsulate insulation.
Harry's Army Surplus: Serving Dearborn and Metropolitan Detroit with army navy surplus, uniform gear, boots, army surplus and work clothing since 1950.