Simplify the following text for a Grade 8 native English-speaking person.
Original: Athletic shoe is a generic name for the footwear primarily designed for sports or other forms of physical exercise but in recent years has come to be used for casual everyday activities .
Simplified: An athletic shoe is a name for a shoe designed for sporting and physical activities , and is different in style and build than a dress shoe . Originally used mainly during sports , today they are worn as casual footwear .