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 Ballet Flats:
Ballet Flats are shoes that resemble the style of a quintessential ballerina shoe. Ballet Flats are no heeled shoes which often feature a bowtie on the upper or ribbon ankle ties. Ballet Flats are typically round toed shoes that are Slip On Shoes. Ballet Flats are also commonly referred to as Ballerina Flats, Ballerina Slippers or Ballerina Shoes.