The Nike Zoom Metcon Turbo 2 adds a shot of adrenaline to your daily workout. It combines stability and reactivity in a lightweight package so you can move quickly during circuit training, high-intensity intervals on the treadmill or a cardio workout on the way home - you name it. From Zoom Air cushioning in the underfoot to lace-up support in the upper, every detail has been reduced to minimise weight and maximise functionality and durability. Lighter, stronger materials designed for speed and strength.The upper is designed for flexibility and comfort.