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KICKSCREW£144.00Visit shop Nike Men's Cool Grey/Gorge Green/White Reactx Infinity Run 4 ' ' Fj1221-006
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The Nike ReactX Infinity Run 4 TB is designed for runners seeking a balance of stability and comfort during long-distance training sessions. It utilizes high-rebound ReactX foam to minimize impact and maximize energy return, making it an excellent choice for daily mileage. While the sneaker offers significant support, runners who prefer ultra-lightweight racing flats may find the robust cushioning profile slightly bulky for speed-focused interval workouts.
| Model Part Number | FJ1221-006 |
|---|---|
| Brand | Nike |
The ReactX Infinity Run 4 is specifically designed for road and paved surfaces. It lacks the aggressive lug pattern needed for technical trails.
Generally, high-quality running shoes provide optimal support for 300 to 500 miles, depending on your gait and the surfaces you run on.
Yes, the insoles are removable and accommodate most aftermarket or custom orthotic inserts.
Rather than a hard stability post, it uses a wide-based geometry and balanced cushioning to offer inherent stability.
No, the engineered knit is designed for maximum breathability and will allow water to pass through if you step in a puddle.
ReactX foam offers more energy return and is manufactured using a process that reduces the carbon footprint by at least 43% compared to traditional Nike React foam.
Try the 'runner's loop' lacing technique to better secure the heel in the rearfoot cup.
Loosen the laces starting from the eyelets closest to the toes to provide more volume in the forefoot.
Use a soft-bristled brush to gently remove stones or compacted dirt from the grooves after your run.
To ensure optimal performance, verify that the lacing is snug but not restrictive to allow for foot swelling during long runs. The shoes are compatible with standard running socks; avoid thick, cotton socks which may reduce the breathability of the knit upper. To care for your sneakers, wipe down the outsole with a damp cloth after runs to remove dirt or debris. If the shoes become soaked, remove the insoles and air dry them away from direct heat sources like radiators to prevent foam degradation. Do not machine wash or tumble dry the shoes as this can damage the structural integrity of the cushioning.
