Because he is the messenger god, so he wears them to get around.
The sandals are called Talaria
They are just that. Makes him able to fly which is faster than walking.
Hermes in Greek Mythology, Mercury in Roman Mythology.
It was his winged sandals. And his staff the 'caduceus'.
Hermes wore winged sandals because he was supposed to be a messenger. The winged sandals suggest that he had fast feet for delivering messages.
Talaria were Hermes' sandals that had wings.
The goddess of winged sandals is Hermes, the messenger of the gods in Greek mythology. He is often depicted wearing sandals with wings, known as talaria, which allow him to fly swiftly between the realms of gods and humans. Hermes is associated with communication, trade, and travel, making his winged sandals a symbol of speed and agility.
Hermes
One of Hermes' symbols was a winged sandal because he always wore his winged sandals. They make him really fast and enable him to fly. He also has a winged hat called, I don't remember what it's called but it also helps him fly faster.
Hermes wears a winged helmet on his head and winged sandals on his feet!
If you look at the Good Year logo, you'll notice a foot with winged sandals in between the words Good and Year. The winged sandals are a symbol of the Greek god Hermes, the god of travelers, thieves, merchants, and the messengers of the gods. In Greek mythology, the winged sandals would allow Hermes to fly so he could deliver messages and guide souls down to the underworld. They are a symbol commonly associated with Hermes.
flying
Hermes wore winged sandals as he was the messenger of the gods.
A caduceus, a staff with two snakes entwined around it and wings. Also, his winged sandals.