Tychem® garments with attached socks must be worn inside of protecting outer footwear and are not acceptable as outer footwear. These attached socks do not need ample durability or slip resistance for being worn as the outer foot masking. (DuPont, 2023) C. 2008. Usage of air monitoring and biomarkers https://costabull.com/product/toluene-diisocyanate-tdi-80-20/