Remove the insoles and laces
Wash the insoles and laces separately if possible
Sprinkle baking soda inside the shoes
Leave baking soda in the shoes overnight
Shake out the baking soda the next day
Place dryer sheets inside the shoes
Use activated charcoal bags inside the shoes
Stuff shoes with newspaper to absorb odor
Let shoes air out in a well-ventilated area
Put shoes in direct sunlight for a few hours
Spray the inside lightly with white vinegar and let dry
Wipe the inside with rubbing alcohol on a cloth
Use an enzyme-based shoe deodorizer
Freeze the shoes in a sealed bag overnight
Wear moisture-wicking socks to reduce future odor
Rotate shoes to let them dry between wears