GARDENIA Ballet Flats - Black - Ballet Flat Shoes - Flats for Women - Black Ballet Flats- Leather Flats Synthetic Absolutely one of the most comfortable ballet flats on the market today. These womens flats feature a handmade glass crystal ornament. Flats for women have perfectly padded leather lining for great fit and comfort. The perfect ballet flat shoes that will bring some flare to any outfit. For these ballet flats, select 1/2 to 1 size bigger.