Why Do My Socks Smell So Bad?Tips for Sweaty Feet | Smelly Feet Why do My Socks Smell So Bad? Sweaty Feet (Bromodosis)Feet smell caused by feet sweating, also known as hyperhidrosis, is a very common cause of smelling socks. Nearly 15% of people have very smelly feet only because of bacteria that grow on sweaty skin.  Because feet sweat more than other parts of the body. Bromodosis or smelly feet is due to a buildup … continue reading...