Preparing for the toughest hikes Scarpa selected the Fuego specifically for Wildland fire brigades with full Italian Crosta leather waxed for durability. Leaving a rubber rand Scarpa made sure so that firefighters don't have to deal with melting rubber on their boots. Higher cuff provides adequate support when carrying heavy loads and the EVA insole and midsole keep your feet comfortable. Vibram M4 Tech outsole provides stability necessary to cover many miles.