Run like the road was made just for you with the Brooks Glycerin 23. Featuring the next generation of nitrogen-infused foaming, these shoes bring the exact balance of comfort and responsiveness your run deserves. The heel features large cells for plush landings, while the forefoot features small cells for responsive toe-offs. The cutting-edge foam eliminates unnecessary layers, creating a seamless sensation from strike to push-off. Turn every stride into a soft, springy, distraction-free joyride with the Brooks Glycerin 23. Brooks Glycerin 23 features: