If you're selling shoes, you'd better hope you're a massive corporate brand like Nike or Adidas. If not, you're risking obsolescence. Unlike perfume, art, or parts of the high-fashion industry, most mainstream shoe shoppers aren't interested in niche items. They want the latest and most popular styles or brands. And as a shoe seller, if you don't carry these household names, you probably aren't getting sales. RunRepeat conducted a survey on which brands Americans use.