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 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. In the instep, the upper is thin and light, but still sturdy enough to resist friction. Your favorite features like the abrasion resistant shell and heel clip for headstands have been redesigned and streamlined to be lighter. The wide, flat heel provides stability.The rubber outsole provides traction and flexibility to help your foot move in comfort.