Under Armour Womens Speedform StudioLux Mid Synthetic-and-mesh Upper: Innovative UA SpeedForm technology combine with a sleek and sporty mid-top silhouette Light, flexible, form-fitting upper with strategic perf pattern for superior breathability Seamless heel cup with foam collar offers a locked-in, anatomical fit Smooth, ultrasonic welded seams for next-to-skin comfort and durability Wraparound lace system for extra support