Tychem® clothes with connected socks need to be worn within protecting outer footwear and are not appropriate as outer footwear. These attached socks do not have sufficient durability or slip resistance to be worn as the outer foot masking. (DuPont, 2023) C. 2008. Utilization of air checking and biomarkers https://costabull.com/product/toluene-diisocyanate-tdi-80-20/