Nike Mens Train Speed 4 Training Shoes Volt/Black
Designed to made even your hardest workouts seem mundane, the Train Speed 4 is lighter and more technologically advanced to keep up with today's athletes
- Synthetic upper provides lightweight durability.
- Flywire technology provides a locked-down fit.
- Aggressive traction pattern on the outsole enhances grip.
- Inner sleeve construction made of lightweight, breathable mesh provides a sock-like fit.
- Injected unit (IU) sole is tough enough to double as an outsole, dramatically reducing the overall weight.