Hybrid tongue combines sock-like feel with adjustment to a traditional design Soft collar padding creates a cushioned contact point Increased rubber on the sole improves traction and durability With the thick cushioning located directly under the foot, the proximity between the sole of the foot and the foam gives incredible responsiveness The sole has a unique rocker style and is designed to offer support in the 3 stages of a runner's gait. Provides flexibility when the foot comes off the ground, provides a smooth gait when moving forward and cushions surface contact. Nike React technology provides a soft yet responsive feel with every step. Wider bottom ensures greater contact stability Flyknit throughout the upper creates specific zones of breathability, flexibility and support support. The result is a fresh and secure fit feeling that allows you to move your foot without restriction. Featuring Flywire technology for medial support