Omni-max™ delivers nonstop underfoot energy by combining adaptive cushioning, enhanced stability, and increased traction for fusion performance on variable terrain technical mesh upper with no-sew overlays for added durability and support pull loop on back for easier on and off navic fit™ system delivers comfort and stability with a unique lace-webbing system that keeps your heel in place for a more secure fit while running or hiking techlite+™ midsole provides elevated cushioning, stability, and energy return with extra-light responsive foam, for long lasting comfort on any terrain midsole cradles the heel for optimal balance while deflection domes in the forefoot and heel absorb impact to reduce stress on the foot deep flex grooves in the forefoot enhance motion for a more efficient stride adapt trax™ outsole provides exceptional wet-or-dry traction using a unique compound and hike-specific tread pattern to keep you stable on any terrain total ride height: 28 mm heel/18 mm toe