Under Armour Speedform Fortis 2 TXTR Women's Running Shoes Mesh Imported Innovative UA Speedform Technology - Delivers an unprecedented precision fit for unrivalled comfort and no distraction. Heathered Upper - Is light, breathable and extremely stretchable. Seamless Heel Counter - Built into the upper for a sleek, lightweight structure. Ultrasonic Seaming With Bemis Tape - On the lateral and medial sides for next-to-skin support and comfort. Laser-Cut Perforations - Offer enhance breathability.