Upper: Soft Breathable Full Grain Leather. Construction: Goodyear Welt. Lining: Comfort Weave. Midsole: Rubber. Insole: Removable Poly-Pillow Footpacer. Outsole : Lightweight Polyurethane Oil-Resisting Mini-Grid. Shank: Fiberglass. Special Features: Made in USA by ISO 9001 Certified Shoe Company.