- SO... Polka-Dot Flip-Flops It's a polka party. One that you'll definitely want to be a part of. These sweet sandals feature a preppy polka-dot print on the straps. And a supersoft microsuede construction on the footbed, so you get feel-good cushioning with every step. Plus, a flexible outsole for a great fit that moves with you. And they're sure to pair perfectly with anything in your warm-weather wardrobe. Step into our Product Guide. It's the #1 source for shoe info! Synthetic upper Flexible outsole By SO... so real. so right.