If you’re wearing closed toe-shoes during the day, you should wear socks — clean and dry socks that you should change every day. The best socks for feet prone to sweating are breathable and wick moisture such as wool, bamboo, and other anti-bacterial materials.
Sweat itself has no odor, but it creates an environment where bacteria can grow and make bad-smelling substances. If bacteria on the skin break down sweat, feet then tend to begin to smell in an awful and cheesy way.
It’s important to wear socks with closed toe shoes because wearing them helps to reduce odor because it keeps it from permeating your shoe. You can easily wash socks, but it isn’t that easy to wash shoes too often.
Just like with underarms that are prone to sweat and stink, you can use antiperspirant on your feet to avoid sweat and smell. Apply deodorant to the bottoms of the feet and allow it to dry before putting on socks and shoes.