These women's Dual Fusion TR HIT Trainers from Nike are a running essential. Llightweight and breathable for comfortable during intense workouts. Flywire cables wrap around the midfoot to lock the foot down, while an outrigger adds extra support. A soft foam midsole ensures the underfoot is cushioned, while a rubber outsole provides aggressive traction on all surfaces.. Material: Textile & Synthetic Upper/Synthetic Sole