Built for runners who train fast and race faster, the Cloudflow 4 is our top pick for speed-focused road work. CloudTec cushioning paired with a Helion superfoam midsole gives you a responsive, lightweight ride that doesn't beat you up over miles. At 8.3 oz with an 8mm drop, it balances agility and protection without compromise.
CloudTec cushioning pods compress on impact and snap back for explosive toe-offs — soft landing, energetic push-off
Helion superfoam midsole returns energy efficiently without adding weight, keeping the shoe under 8.3 oz
Engineered mesh upper breathes well in heat and humidity while conforming to your foot for a secure, adaptive fit
8mm heel-to-toe drop and 26mm heel stack suit tempo runs, race days, and high-mileage training blocks equally well
Speedboard construction channels energy forward through your stride, reducing fatigue on longer efforts