This design aligns naturally with walking posture
The Nike Free Metcon 4 Iris Whisper/Light Curry is designed to maximize your training performance. It features an updated "chain-link" mesh to help keep you cool during intense agility drills and added support to the midfoot and heel to provide stability during weight room exercises. Experience the best of both worlds with superior flexibility and stability.Oxygenated mesh panels accelerate sweat evaporation during exertion