Nike Women's Free Metcon 6 Workout ShoesNike Women's Free Metcon 6 Workout Shoes Flexibility: High The more flexibility that you have in the midsole and outsole, the more you can move naturally. We laser siped the outsole for better flexibility, whether you're jumping, planking or powering through plyometrics. We also rounded the big toe side of the forefoot for better agility and quickness when making sudden movements. Stability: High The more supportive the shoe, the more stability it can