The Nike Free Metcon 6 workout shoes support every movement. The outsole is laser-siped for better flexibility, whether you're jumping, planking, or powering through plyometrics. The big-toe side of the forefoot is rounded for better agility and quickness when making sudden movements. The heel features more foam for improved stability. The upper is made of breathable, supportive engineered mesh with built-in stretch where needed. Flywire cables give you a dynamic fit and help keep you secure during your workout. The multi-surface traction pattern is made for any workout surface and activity. The comfortable inner sleeve increases ankle support and provides a more seamless fit. The athletic sneakers feature lace up closure.