The Nike InfinityRN 4 is a versatile daily running shoe that offers a smooth and comfortable underfoot experience, no matter the distance. Shoes are like new. Only worn a few times. Entire show in excellent condition. Running Shoe Support: Stability runners and overpronators, get the guidance you need in the Nike React Infinity Run Flyknit 4. Cushion Level: Max Cushion maximizes that plush feel, so every step feels soft and smooth no matter how far you're running. Midsole Drop: Your React Infinity Run Flyknit 4 has a heel to toe drop of 9 mm Perfect For: Daily running and race training on the road, track, or treadmill. Secure Breathability: Flyknit throughout the upper creates specific zones of breathability, flexibility, and containment. Flyknit Tongue: Your adjustable and plush tongue prevents ankle irritation. Weather Protection: A water-repellent liner on the toe ensures you can feel comfortable running rain-or-shine.