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 improves grip on all surfaces.
- Synthetic upper provides lightweight durability
- Flywire technology provides a locked-down fit
- Aggressive traction pattern on the outsole improves 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
- Synthetic Plastic/Synthetic Leather Polyester Text