The Men's Nike Train Speed 4 Training Shoe features a synthetic upper and Flywire technology in a chain link pattern for lateral movement support. Designed for everyday workouts, it features aggressive traction that enhances grip on all surfaces.
- 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.