smelly feet

Anyobody know a solution to the stinky kid sneaker problem? I don't think they're machine washable. Do they make odor-eaters for kids?

Baby names from today's birthday party (all 5-0):
Kelsey and Caleb
Henry and Vincent
Beatrice and Nathan
Evelyn and Alexander
Caiden (M) and Riley (F) (twins), with a 12-year old sister Sabrina
Rosina and Ted (the birthday boy)

Speaking of birthdays, happy 1 to DZ today, and recently to Ivy!