The Nike ACG Ultrafly Trail combines rugged trail design with responsive cushioning, engineered for runners seeking speed and stability on off-road terrain. This model HF5668-700 delivers adaptive traction and durable comfort, ideal for competitive trail runners and outdoor enthusiasts.
**Key Features**
- **Responsive Cushioning**: Lightweight foam absorbs impact and returns energy for efficient strides.
- **Trail-Gripping Outsole**: Multi-directional lugs provide reliable grip on loose dirt and rocky paths.
- **Breathable Upper**: Engineered mesh enhances airflow, keeping feet cool during intense runs.
- **Secure Fit System**: Reinforced structure offers lockdown support for confident movement on uneven ground.
Size Charts
