X-PROJECT 2.0 74% Synthetic Leather, 26% Nylon Mesh Imported Synthetic sole Full-length tapered carbon fiber plate (Patent-pending) gives onthe-bike power transfer and off-the-bike hike-ability 1:1 anatomic buckle closure features a 25-degree angled strap design that follows the anatomic curve of the foot Seamless construction in the toe area for no-seam comfort in the flex zone Co-molded rubber tips on hollow TPU lugs provide traction on an extremely lightweight bottom unit Run shoe EVA foam heel absorbs impact for off-the-bike comfort