Nike Flex Trainer 4 Athletic Sport Running Sneaker Shoes Black/Gold Size 8 New without box. LIGHTWEIGHT FLEXIBILITY: Built for low-impact workouts and circuit training, these women's shoes are designed for flexibility and traction. DYNAMIC CONTAINMENT: Synthetic upper and heel strap of the Nike shoe adds support and containment. DURABLE DESIGN: Foam midsole is durable enough to double as the outsole, dramatically reducing weight. Rubber in high-wear areas adds durability. BREATHABLE COMFORT: Mesh in the forefoot of these women's sneakers enhances breathability. Tri-star outsole pattern expands to disperse pressure. Description Designed for low-impact workouts and circuit training, the Nike Flex TR 9 pairs a breathable mesh and synthetic upper with a supportive platform designed for flexibility and traction. SV-677