Brooks Glycerin Flex men's Altra Super High-Carb is powered by

Super High-Carb is powered by Cluster Dextrin™

Removable spikes

Premium material engineered for breathability and comfort

These shorter running boxers feature seamless construction to eliminate irritation

(And say goodbye to trapped stones

Brooks Glycerin Flex men's Altra Super High-Carb is powered byOWN THE RUN. Be in control of the run like never before in the NEW Glycerin Flex with innovative flexible cushioning working as an extension of the body. The innovative smooth ride offers carefully crafted flexibility, from midfoot to toe off, to feel the best parts of the run and support to go the distance. UPPER New engineered flat knit provides enhanced comfort and breathability thats flexible and moves with your foot. MIDSOLE DNA TUNED with tuned