Flex your performance in the Free Metcon 7. Our most versatile training shoe gets updated with enhanced midfoot containment. Of course, we kept our famed Nike Free technology for a quick and powerful feel. The flexible forefoot and stable heel easily let you switch from dynamic to strength-based movements. Design: Lightweight mesh upper adds breathable comfort In-Shoe Comfort: A webbed lacing system works with an inner sleeve to provide added containment for a secure and snug fit Durability & Traction: A full-length rubber outsole helps support the foam while adding durability and traction on a variety of surfaces, including turf and concrete Nike Free technology combines foam in the heel for stability with softer foam in the midsole, giving you the flexibility dynamic workouts demand Added extra durability around the toe tip and the side of the shoe for support