Rubber sole Nike React foam at the midsole is lightweight, springy and durable. The Zoom Air unit at the forefoot is twice as large as previous versions, delivering more bounce with every step. It's top-loaded to be closer to your foot for better responsiveness. A midfoot band adapts to the size of your foot for a comfortable and secure fit. A translucent upper has the look of speed. Mesh details throughout promote ventilation. The Pegasus 37 is specifically tuned for him, with an air unit that delivers just the right cushioning for your run. Imported Take your training runs to the next level with the Nike Air Zoom Pegasus 37. With unbelievable React cushioning and a new forefoot Air unit, they’re like a bolt of caffeine for your legs. The lightweight upper breathes incredibly well. Pared-down, perfectly placed padding helps reduce hotspots. And the super grippy outsole? Well, let’s just say you gotta stay upright to run. Here’s to letting mud fly and streets vanish behind you.