PUMA Men's Liberate NITRO 2 Running Shoes Product Description Brand new, unused Color: PUMA Black-PUMA Silver Size: 28.5 LIBERATE NITRO For those seeking ultimate lightness Experience the ease of running with these Liberate NITROs, which are flexible, feather-light, and arguably the most airy ever. Advanced nitrogen-infused foam "NITROOAM" is used, designed to achieve excellent responsiveness and cushioning with light weight. Nitrogen gas is injected into the foam during the compression of plastic production. This process creates air bubbles within the foam, improving resilience. In addition, TPU parts stabilize the heel area, improving stability. It features a water-draining mono-mesh upper and a PUMAGRIP outsole with excellent grip for all surfaces, demonstrating its power in quick movements over short distances. The new last, developed based on biomechanics research and numerous tests, achieves the best fit. Reflective materials are used to enhance visibility during nighttime and early morning running. Recommended for tempo runs and half marathons. Weight: Approximately 200g (27cm) Lightweight mono-mesh upper Reflective material TPU parts to stabilize the heel area Cushioning level: Low Heel-to-toe drop: 6mm Optimal pronation type: Neutral pronator Runner type: Recreational runner