Lightweight tech mesh with thermoformed X-rib pattern quarter package. Hydra mesh liner. Patented pro-integrated, anatomical heel/ankle support. New dual-density foam ankle padding. Form-fit molded anatomical forward flex tongue with high-density metatarsal guard tongue construction. Superfit+ with grip, moisture management, and heel stabilizer footbed. Full texallium composite outsole. Tuuk lightspeed 2 with LS2 stainless steel runner. D width