First Look at the Nike ACG Ultrafly 2

Images shared by a trail runner on Instagram showcase the next iteration of Nike's Ultrafly with an ACG emblem on the tongue -- a departure from the first model, which was released under the brand's standard trail running category.The new Nike ACG Ultrafly 2 leans further into the technical feel of the first model, extending the printed swoosh onto the midsole, along with new aerodynamic lines that meet above the toe box. Tracing the uppers from heel to toe, the curvilinear designs give the mode...