The Nike Free Trainer 5.0 V6 is a training model that is ready for any workout. Designed more for performance than casual wear, the Free Trainer 5.0 V6 has a flexible Free sole with hexagonal flex grooves to provide a more natural feel. Rugged sections are installed at the toe and heel area of the outsole for additional traction and durability. The upper is composed of black mesh with welded grey overlays. A white Swoosh is stamped on either side of the synthetic material wrapping the heel.