The coating is environmentally harmless and non-toxic, and easy to clean using only water or a simple wipe with a damp cloth. It repels bacteria, water and dirt, and resists heat, UV light and even acids.
How can you use water to clean it if it repels water?
Teflon is Du Pont's brand name for polytetrafluoroethylene. Gore-Tex is Gore & Associates's brand name for thermo-mechanically expanded polytetrafluoroethylene. Gore-Tex is commonly used to make pants. Given that you wrote "Teflon" in lower-case, they probably qualify as "teflon pants" to you.
How can you use water to clean it if it repels water?