Need a new lightweight training shoe for your intense workouts? The Under Armour SpeedForm Fortis is the ideal choice. The UA SpeedForm technology in the upper offers comfort to keep you free of obstacles with a running shoe feel that provides you with so much more than just a running shoe. The adjustable lock down heel strap improves your fit and makes sure you're locked down for anything, while the ArmourVent mesh in the upper delivers ventilation in a light, stretchy, durable, fast-drying fabric to keep your feet from overheating during your tough workout.