The Nike Flex TR 9 pairs a lightweight, breathable mesh upper with a supportive platform designed for flexibility and traction. It features an external heel strap for support you can customize with a pull of the laces.
Designed for low-impact station workouts and circuit training. External heel strap offers dynamic containment you can customize. Tri-star outsole pattern expands to disperse pressure. 2-tone mesh in the forefoot for breathability. Heel and quarter panels feature mesh with synthetic skin overlays for durability. Injected unit sole (IU) material provides lightweight, flexible cushioning. It's durable enough to double as the outsole, dramatically reducing weight. Flex grooves are hot-knife cut into the outsole for natural flexibility