Nike Free Trainer 7.0Constructed with a seamless Nanoply upper, the Nike Free Trainer 7.0 provides ventilation, support and cushioning in a lightweight package. This training model also features a dual-pull lacing system that anchors to the midsole for a lockdown fit, Nike Free sole with deep flex grooves that enhance natural motion, and a rubber outsole with strategically placed delta nodes that provide traction during all your cuts.