Techy, streamlined and ready for the trails, the Nike ACG GORE-TEX 'Mountain Fly' is built to brave the elements and a variety of terrains. Super lightweight, the shoe is crafted with a nylon upper with GORE-TEX technology to keep you dry. Techy grid patterns feature, while Swooshes and triangular ACG labelling confirms its outdoorsy heritage. What's more, React foam and Vaporfly technology delivers premium comfort. CT2904-300, Textile & Synthetic Upper/Synthetic Sole.