Gap - Castleton Square Inc. is the leading global retailer offering clothing, accessories or personal care merchandise for men, women or children under the Gap - Castleton Square, Banana Republic, Old Navy, Piperlime, Athleta or Intermix labels. Gap - Castleton Square Inc. merchandise are available for purchase in more than 90 countries worldwide through about 3,300 company-operated stores, almost 400 franchise stores, or e-commerce sites.