Flex your performance in the Free Metcon 7. Our most versatile training shoe gets updated with enhanced midfoot containment while still keeping our famed Nike Free technology. The flexible forefoot and stable heel easily let you switch from dynamic to strength-based movements. Flexible Outsole: Nike Free technology combines stable foam in the heel with a softer, more flexible foam in the forefoot. It works with flex grooves on the outsole to deliver the flexibility dynamic workouts demand. What's New?: Webbed lacing and a midfoot containment system replace Flywire cables. Added durability around the toe tip and the side of the shoe for support