I had been forewarned about the stinky feet issue but decided to try them and see what happened. For both my son and I the stinky feet really was an issue! After hiking around Yellowstone & the Tetons in them my feet were all but banned from the family car. At our next destination I stopped at a drugstore & picked up some foot deodorizing powder that worked well to take care of the problem--I just put some in each time I took my Keens off. (Dr. Scholl's Odor Destroyer Shoe Shot in a yellow container). If I am not wearing them day after day they don't seem to smell too much and I can forego the powder. Washing them didn't help much, just took care of the immediate problem but they would still get stinky after a while of wearing them.

Throw them in the washing machine!...I just hose mine off. Or let the river/stream wash them when I walk thru it.