The Nike Zoom Metcon Turbo 2 brings a dose of adrenaline to your daily workout. It combines stability, responsiveness and light weight to help you move quickly through circuit training, high-intensity intervals on the treadmill, speedy cardio sessions on your way home from work and anything else you want. From the Zoom Air underfoot cushioning to the instep grip reinforcement, every detail has been streamlined to keep weight down while maximizing the shoe's functionality and durability. The lighter, stronger materials are designed for more speed and power. The Zoom Air unit is light and powerful, ideal for fast, repetitive movements like step jumps and jumping rope. It propels you through the air on your pulses and cushions your landings. The Nike React foam is a lightweight, high-performance foam that is ideal for fast, repetitive movements like step jumps and jumping rope. It propels you through the air on your push-ups and cushions your landings. At the instep, the upper is thin and light, but still sturdy enough to resist friction. The outer mesh gives you breathability durant the most intense runs. Your favorite features like the anti-abrasion wrap and heel clip for headstands have been revamped and streamlined to be lighter. You get the same functionality and durability, but with less weight. The wide, flat heel adds stability. The rubber outsole provides traction and flexibility to help your foot move in comfort.