Best seller. Combination PU nubuck and imitation suede upper combined with lightweight and breathable SBR (a strong foam rubber) nylex mesh. Vents for air circulation. Perforated arch for ventilation and breathability. Flat, boxed toe for toe stands. Split sole design for flexibility and foot articulation. Non-marking PU outsole with built-in patented flex points and forepart spin spot. Padded tongue, collar, and Achilles notch. Speed looped lacing system begins further to the side for a snugger fit. Poly/cotton laces. Contoured, cushioned, removable EVA footbed. Soles designed to be non-marking for most applications. Begin with street shoe size men 2 sizes up.