Color: White/Black/Volt/Bright Crimson Size: 7.5 Condition: New In Box We added Flyknit throughout the upper, creating specific zones geared towards optimal breathability, flexibility and containment. The result is a cool feel that helps your foot feel secure, while letting it move without restriction. It still has Flywire technology for support through the midfoot. Nike React technology is a lightweight, durable foam that delivers a smooth, responsive ride. Shaped like a rocker, the foam provides support for the 3 phases of a runner's stride. It offers flexibility when your foot rises off the ground, a smooth ride when your foot is moving forward and cushioning at ground contact. Its wide shape provides a mor stable ride, helping release energy with every step. Less material between the insole and midsole means you're closer to the foam. This helps create a more responsive experience. The foam itself has a higher height, providing a plush feel. A hybrid tongue combines a sock-like feel with the adjustability of a traditional design. Soft padding along the collar provides a cushioned touch point. Increased rubber at the outsole helps deliver traction and durability.