Under Armour Speedform Gemini 3 GR Women's Running Shoes Anthracite/Black/Gray : The Under Armour SpeedForm Gemini 3 running shoes are a perfect blend of cushioned comfort and the beloved SpeedForm performance. The newest installment still provides a super sleek style with zero-distraction, seamless materials and an ultra-responsive ride. Runners will love the updated colors matched with the fast and free experience of these shoes. Upper: Smooth, ultrasonic welded seaming with Bemis tape offers next-to-skin support and comfort. Dual-color mesh provides exceptional breathability Midsole: Embedded sockliner within cavity of midsole delivers added cushioning, moisture wicking, and seamless comfort. ArchForm offers additional support and soft cushioning inserts at the arch and heel for an even better fit and feel. Dual-layer midsole combines Charged Cushioning on top of Micro GA(R) foam for an optimum blend of cushioned support and explosive responsiveness. Outsole: Blown rubber outsole with carbon rubber heel is lightweight but incredibly durable. Anatomically placed flex grooves allow an optimal heel-to-toe transition for a smoother ride.