Sidekicks Energy is a stretchy sparkly upper on a flexible rubber sole. Each pair are foldable, tote-able, take anywhere little shoes that are pretty enough to get you through a work day, night out, commute, airport or any activity where your high heels are just too much to handle. And each pair comes with its own carrying pouch so they are easy to stash in your bag or briefcase. With Sidekicks foldable ballet flats you will be heelin good with comfortable feet. Size Small, manufacturer sizing suggests US Women's 5-6.5.