Enhance the freedom of running with the Nike Reactx Infinity Run 4. Featuring a rocker-shaped platform and the new ReactX foam in the midsole, these sneakers propel you forward and ensure exceptional cushioning throughout your runs. The ultra-comfy collar and tongue offer a snug feel, while the water-resistant membrane keeps you dry and focused on your goals. Feel the power in every stride with the Nike Reactx Infinity Run 4. Nike Reactx Infinity Run 4 features: Revamped Flyknit upper offers a sock-like fit. Wider toe box enhances comfort. Waffle outsole delivers superior traction and durability. *Not intended for use as Personal Protective Equipment (PPE).