The Nike Men's Free 3.0 Trainers in black boast a supportive yet breathable TPU mesh upper that simulates the robustness of metal for optimum durability whilst improving ventilation to help keep your feet cool and dry. With Dynamic Fit technology which wraps the midfoot for a glove-like fit the trainers have a phylite midsole which provides lightweight cushioning and support. Set upon a durable rubber sole with deep grooves for natural flexibility the trainers will offer a barefoot-like training experience. - L.M. Features: Nike Men's Free 3.0 Trainers Breathable PTU mesh upper simulates metal for optimum durability Dynamic Fit technology wraps the foot for a glove-like feel Lightweight phylite midsole Rubber sole with deep grooves provide natural flexibility Straps anchored under the foot allow for a customised fit Designed to provide a barefoot-like running experience