Feel free when you wear the Nike Free Metcon 3 which combines the Nike Free flexibility in the forefoot with the Metcon stability in the heel. This training sneaker features a lightweight design made of a durable mesh to keep your feet cool and comfy while you train to your max. Nike Free technology in the forefoot creates flexibility for agility moves. Rigidity up the sides helps support side-to-side movement. Softer foam core cushions your foot. Flat, wide heel creates a stable base when you're lifting. Pull tabs at heel and tongue.