3D trueform PU upper quarter package. Hydrophobic microfiber lining material. Exterior embossed heel cup, anaform fit foam ankle pads. Anatomical, 40oz. 2-pice felt with metatarsal guard tongue construction. molded with integrated heel support. Lightweight, Pro-8 dual density beveled TPU outsole, TUUK Lightspeed 2 with TUUK super stainless steel runner. D width