A smelly shoe or sneaker is no match for the power of baking soda. Liberally sprinkle soda in the offending loafer or lace-up and let it sit overnight. Dump out the powder in the morning. (Be careful when using baking soda with leather shoes, however; repeated applications can dry them out.) You can also make your own reusable “odor eaters” shoe deodorizer by filling the toes of old socks with 2 tablespoons baking soda and tying them up in a knot. Stuff the socks into each shoe at night before retiring. Remove the socks in the morning and breathe easier. Try these other brilliant uses for baking soda.
Fabric softener sheets
Deodorizing sneakers calls for strong stuff. Tuck a new dryer fabric softener sheet into each sneaker and leave overnight to neutralize odors (just remember to pull them out before wearing the sneaks). It’s also a great idea to deodorize places where you store your shoes, such as your gym bag. Drop a dryer sheet into the bottom of a gym bag and leave it there until your nose lets you know it’s time to renew it. Use dryer sheets to freshen these other items.