Building off their highly-acclaimed Tecton X, HOKA's Tecton X 2 Trail Running Shoe is back with an impressively lightweight design and updated Matryx upper that is more durable, breathable, and water-resistant. The ProFly foam midsole works with a carbon fiber plate to provide a high-performing snap and speed over long distances, complete with a Vibram Megagrip sole for confident traction on varied terrain. Color: gray