loafers
A slip on dress shoe with a flat broad heel. Created in the most basic color of brown and black, and worn by both genders. Worn quite often with casual clothing, business suits, and school uniforms.
Not to be confused with mary janes which have a strap running over an open top. Example post #1132658 Kirino (left) is wearing loafers while Ruri (right) is wearing mary janes.