Discover the Cobalt 15-inch work boot from STC|engineered to perform in the toughest environments. Crafted from waterproof natural rubber|it delivers exceptional resistance to abrasion|tears|oils|and acids. The advanced insulation ensures warmth in temperatures as low as -59°C (-75°F)|while the internal metatarsal guard offers superior safety. Conquer daily challenges with confidence in this rugged and durable boot.