Puma Nitro Liberate Women’s running shoe. Only worn a few times. Had a foot injury and these don’t work anymore. Very light weight! A new running last was developed based on biomechanical research and testing, executed in an ultra-lightweight mono mesh Heel TPU piece adds visibility and stability through proprioception Reflective branding and spoiler for visibility when running at any time of the day or night IN-SHOE COMFORT: NITRO advanced foam technology providing superior responsiveness and cushioning in a lightweight package