Upper: Black Full Grain Leather / Black Action Leather / Black Nylon Mesh. Construction: Cement. Lining: Moisture Wicking Knit. Insole: Super. Comfort EVA Removable Footbed. Shank: Engineered Composite. Outsole: XLS rubber with S.T.E.P. technology. Special Features: 100% non-metallic. Padded collar and tongue.