Arch Support generally refers to the part of the insole of the shoe that raises right at the level of the arch to provide support to the midfoot. Arch Support also refers to individual insole cups with a molded shape that fit the arch and are placed inside the shoe to help relieve foot or heel pain.
About Gym Shoes:
Gym Shoes are sports shoes having soft rubber soles. Gym Shoes are often made of leather, canvas or nylon and feature performance benefits for protection of the feet and ankles during a work out. Gym Shoes may also be called Sneakers, or Cross training shoes.