Stylists said closed-toe clogs will be popular this summer. Edward Berthelot/Getty Images Business Insider spoke with stylists about which shoe trends are in and out this summer. The experts said jelly shoes, shorter heels, and closed-toe mules will be popular this season. However, classic flip-flops and round-toed shoes are being replaced by more modern styles. Summer is almost here, which means it's time to start thinking about the shoes you'll be wearing over the next few months. But as tre