Nike Free X Metcon in Black/Bright Cactus/Purple Nebula/White Only worn a few times. In great condition! The Nike Free Metcon 2 is designed to easily switch from the gym to short runs. Superior breathability and comfort a go-to trainer for the ambitious. Midfoot cage locks your foot in place without restricting movement. Rubber wraps up the sides to help resist abrasion during rope climbs. Foam midsole has a firmer foam carrier for comfortable cushioning.