The Nike ACG Ultrafly Trail SP in Black/Dark Smoke Grey-Vegas Gold is designed for long-distance trail running, blending Nike's premier road racing technology with ACG's robust durability for enhanced comfort and control.

• Features a more responsive and durable ZoomX foam midsole, improved from the first generation.
• Incorporates a full-length carbon fiber plate, now with reduced stiffness and increased flexibility, for a smooth and efficient stride.
• Vibram® Megagrip outsole offers exceptional traction on the trail with less weight.
• The VaporMesh upper drains fast and provides protection.
• Designed for durability, traction, and support on challenging trails.