We revamped the upper with molded elements and texture that reinforce around the heel. It gives you more support when running off the line of scrimmage or making a play on your opponent. Nike Fastflex technology lets you move freely when cutting and running. Rubber cleats create grip and traction. Perforations on the sides add breathability. The Nike Vapor Edge Shark 2 helps you smoke your competition with speed, power and finesse while feeling fully stabilized and secure. Rubber traction and a synthetic material add support while Nike Fastflex technology lets you move with ease while running and shifting gears.