Nike SB Dunk High TRD QuickStrike Mulder Men&#39;s Shoes (9.0) Deconstructed upper has an internal fit system to provide comfort and stability. Suede and synthetic upper provides durability. Flexible rubber outsole with a full cupsole stitch for superior durability and grip. Lightweight mesh on the tongue and perforations on the vamp provide ventilation. Suede and synthetic upper provides durability.