This western work boot features a moisture-wicking lining, fiberglass shank, weather-resistant storm welt, Goodyear welt construction, and a dual-density oil and slip-resistant rubber outsole. The removable orthotic airflow polyurethane insert and cover is breathable from head-to-toe, anti-fungal, anti-bacterial and washable. Fit: True to Size Insole: Polyurethane Outsole: Rubber Upper: Leather