Remove the insoles and let them air out separately
Sprinkle baking soda inside the shoes overnight
Shake out the baking soda before wearing
Place dryer sheets inside the shoes for a few hours
Stuff shoes with newspaper to absorb moisture
Keep shoes in a well-ventilated area
Use activated charcoal odor absorbers
Spray a shoe deodorizer inside the shoes
Wash shoes if the material allows it
Clean the insides with a cloth dampened with vinegar and water
Let shoes dry completely before wearing again
Wear moisture-wicking socks
Rotate shoes so each pair can dry between uses
Use antifungal or antibacterial foot powder if needed
Replace old insoles with new ones
Freeze shoes in a sealed bag overnight
Avoid storing shoes in damp places