The high shaft of the BOA® Seguro High S3 protects the ankle and supports the ankle joint. Continuous leather upper provides protection from hot chippings and welding beads. Improved visibility due to the processed 3CON® technology. Wear-free eyelets ensure the durability of the shoe. Breathable fabric for best moisture management and comfort. Highest grip and scrub-resistance is guaranteed by the soot-free Vibram TPU sole.