Air Max 2009 Kids' Running Shoe. Ideal if you're a runner with an underpronated to neutral gait who's looking for maximum comfort and cushioning from heel strike to toe-off and expect a premium ride and fit. Ultra-strong, ultra-lightweight Flywire provides targeted support and a uniquely dynamic fit. Full-length Cushlon midsole combines plush cushioning with springy resilience for comfort and protection. Full-length, articulated Max Air unit provides maximum cushioning and allows for a smoother, more natural range of motion through footstrike. Differences from Air Max 360 III include a removed Pebax cage for softer cushioning and protection, augmented Max Air-Sole unit with a layer Cushlon for improved step-in feel, cushioning and response, new, Flywire upper provides lightweight, targeted support and a dynamic fit, a more-articulated, full-length Max Air unit for a softer, smoother footstrike, the engineered heel collar conforms to the shape of your heel for a plush fit and increased rubber coverage under the Max Air-Sole unit boosts durability.