The . Tpu shell is easy to clean even after a long day of messy, dirty work. Georgia Boot's exclusive Spr leather undergoes a special tanning process that makes it resistant to acids and chemicals it is also three times stronger than regular leather. This is complemented with a long-wearing, - and oil-resistant Weave outsole that offers cushioning and sturdy footing. This men's boot also is equipped with a steel toe that meets Astm standards for protective toe and electrical hazards. Built with the Georgia Boot Waterproof System, the Muddog stands up to rain and mud, and your feet stay dry. Guaranteed. In addition to being very protective, your feet will also be comfortable. The Comfort Core insole provides cushioning, ventilation and is equipped with a heel plug for shock absorption. Additional comfort comes from the lightweight . Pu midsole.