Just noticed in the wiki that chitin boots are leather/steel but chitin arm guards are flesh/plastic. Chitin gauntlets & armor are both flesh. Was this a wikification error, or are chitin boots that different than chitin non-boots?
ETL: http://www.wiki.cataclysmdda.com/index.php?title=Clothing#chitinous_boots
(Edited to add link-KA101)