Feel the freedom to run your way with the Brooks Glycerin Flex. Built for natural movement, these running shoes combine flexible support, plush cushioning, and a breathable, adaptive fit to keep your stride smooth and effortless. An asymmetrical midfoot flex groove and podular forefoot design let your foot move naturally from landing to toe-off. Underfoot, DNA TUNED cushioning uses dual-cell nitrogen-infused foam—large heel cells soften impact, while smaller forefoot cells give you quick, responsive energy. A new flat knit upper wraps your foot in flexible comfort that moves with you mile after mile. For runners who like to drive their stride and stay in flow, the Brooks Glycerin Flex delivers a smooth, confident ride every time. Brooks Glycerin Flex features: