Take control of the run with the Brooks Women's Glycerin Flex Running Shoes. The flat knit uppers provide comfort and breathability, while the asymmetrical midfoot flex grooves with podular lateral forefoot flexibility offer support. Built-in DNA TUNED technology features nitrogen infusion for plush landings and electric toe-offs. Brooks Women's Glycerin Flex Running Shoes Black/White, 5.5 - Men's Training at Academy Sports