Upper made from ultra lightweight, supple, synthetic leather. Soft and durable polyurethane (PU) molded heel for maximum durability and cushioning. Ultra low profile sole with a layered, sandwich, construction. Inner lining is made with 2mm EVA foam for comfort. Pressed internal midsole with glued steel shank for added comfort and support, coupled with an ultra-thin rubber outsole for greater flexibility and reduced weight. The outsole is oil resistant. The PR Nylon laces run through PU eyelets and are secured with a self-locking clasp and the end of the laces can be secured either with the Velcro® tab on the heel, or, within the hidden pocket in the tongue.