Numentumâ"¢ Traverse technology provides excellent stability during outdoor activities. TPU molded toe cap for added protection. Adjustable hook-and-loop closure for a secure fit. Anatomically shaped EVA footbed provides supportive comfort all day long. External and internal TPU shank provides torsional rigidity and arch support. Double-density, compression-molded EVA midsole with external TPU heel clip that helps promote neutral positioning. Non-marking rubber outsole with 4mm cross directional, self-cleaning lugs for excellent traction on wet and dry surfaces.