Tychem® clothes with hooked up socks needs to be worn inside protective outer footwear and are not suitable as outer footwear. These connected socks do not need enough sturdiness or slip resistance to be worn since the outer foot covering. (DuPont, 2023) C. 2008. Usage of air checking and https://costabull.com/product/toluene-diisocyanate-tdi-80-20/