Womens Under Armour Flow Synchronicity Running Shoes in pink. Soft, textured knit upper with a lace-up fastening. Features a knit ankle collar and heel design, and a plush sockliner for comfort. The one-piece Flow midsole provides responsive and long-lasting cushioning. Developed using 3D foot scans for a customized, women's-specific build offering superior fit and feel. Flow technology eliminates the rubber outsole for a more lightweight and seamless ride on any surface.