Tychem® garments with hooked up socks need to be worn within protecting outer footwear and therefore are not ideal as outer footwear. These attached socks do not need adequate sturdiness or slip resistance being worn as the outer foot covering. (DuPont, 2023) A glossary and list of acronyms, abbreviations, https://costabull.com/product/toluene-diisocyanate-tdi-80-20/