The latest model in the best-selling GT-2000 series, the GT-2160 delivers consistent comfort and fit for over-pronators. This edition introduces Guidance Line, a groove along the outsole that encourages a more efficient gait. The women's model contains the Gender Specific Space Trusstic, designed to create a more efficient foot function and greater comfort for female runners. The GT-2160 is a dependable, no-fuss shoe perfect for both speedwork and long runs.