Designed to tackle challenging landscapes and unfavorable weather conditions, the Nike ACG Mountain Fly GTX 'Black' is engineered to withstand rugged terrains. Keeping the upper secure is a convenient toggle lacing system, constructed from lightweight black textile that features a waterproof Gore-Tex lining. Enhancing visibility are the reflective finishes on the matte silver Swoosh, grid-patterned overlay, and ACG-branded heel. Additionally, a flexible ankle cuff prevents debris from entering, while dual pull tabs facilitate easy on and off. Providing lightweight cushioning is the React midsole paired with a full-length carbon fiber plate. On the bottom, a lugged rubber outsole offers exceptional traction across rough and uneven surfaces, ensuring durability in all circumstances.