Under Armour Womens Speedform Fortis Trainers A More Durable, Responsive Trainer Under Armour Speedform Fortis trainers fit to your foot with maximum flex and responsive to ensure a comfortable workout. Under Armour Womens Speedform Fortis Trainers features: Innovative UA SpeedFoam technology for zero distraction running Seamless heel cup with foam collar locks in the foot for an anatomical fit Smooth, ultrasonic welded seaming with Bemis tape for next-to-skin support and comfort ArmourVent mesh upper is breathable, lightweight, stretch, durable and fast-drying Adjustable heel lock down strap for improved custom fit Molded 4D Foam footbed embedded sockliner in midsole for added cushioning and moisture wicking Designed to provide the perfect amount of flex in the forefoot Charged Foam is cushioned and responsive Second layer of Micro G turns cushioned landings into explosive takeoffs Added cushioning in the heel Flex grooves in the forefoot work with your natural stride Strategically placed rubber traction over high impact zones add durability Under Armour...Maximize Your Performance! Size: 6 1/2 US. Color: Yellow/Pacific/Veneer. Gender: Unisex. Age Group: Adult.