WTC, Are These Boots Legal?
I can't find anything that says these are illegal for age related categories. The look similar to Brogans used in the 1800's.
http://www.ushist.com/19th-century_mens_boots_shoes.shtml#item8
Null N. Void
General consensus of the ROC is that there are literally a hundred choices that will do a better job of looking the part.
Primary objections (besides the basic "look") were to the sole type & construction and the "speed" laces.