Air the clothes outside in fresh air for several hours
Wash the clothes with regular detergent
Add 1 cup of white vinegar to the wash
Add baking soda to the wash
Use the hottest water safe for the fabric
Soak the clothes in a vinegar and water solution before washing
Wash the clothes twice if needed
Dry the clothes completely in fresh air
Use an odor-removing laundry booster
Place the clothes in a sealed bag with baking soda overnight
Steam the clothes if the fabric allows it
Dry clean items that cannot be washed
Repeat the process if the smell remains