Sizing Tip: Nike recently discovered that our Nike Infinity RN 4 footwear provides the best experience for runners if they size up one half size. The Women's Nike Infinity RN 4 Running Shoes are designed to provide support, cushioning, and stability throughout your run. Featuring a new ReactX foam, these Nike running shoes offer superior cushioning and support with a wider toe box for stable footing. The curved outsole adds smooth transitions from heel to toe, while the internal Flyknit fit band provides an elastic secure fit. To keep your feet dry, it's equipped with a water-repellent liner at the toe, while the waffle rubber outsole offers reliable and durable traction. Make the most of your next run with the Women's Nike Infinity RN 4 Running Shoes.