Nylon Stinky Stinky Feet Due To Sweat Or Material?

Stinky feet due to sweat or material? - nylon stinky

Whenever I go home after work, I noticed that after I removed my tights, my feet stink's Kinda.
How can the amount of sweat produced in tights?

PS I'm with nylon stockings, influence does not produce cotton sweat or absorbed?

Thank you! And the girls who can share the same experience with me, leaving comments and answers! (: