As of May 2015, Sofia the First dresses are widely available, and can be found online and in stores from Walmart, Kmart and Kohl's. They may also be sold in Disney Store locations, in addition to DisneyStore.com
Sofia's Transforming Dress is a widely sold outfit for pretend play that changes from a ballerina costume into a ball gown. Dresses picturing Sofia that are not meant to be costumes, such as the Sofia the First Deluxe Party Dress and the Sofia Pink Woven Dress for Girls, are also available and can be found at the Disney Store website. At least three different designs of dresses in the Disney Collection are available at J.C. Penney.