Ranger 17" Heavy Duty Men's Rubber Irrigation Boots, Black (T111) Durable, flexible, industrial weight rubber is hand-laid and vulcanized at high heat for 100% waterproof construction; ozone-resistant to prevent cracks and remain flexible in cold weather Built-in insole is cushioned for comfort during extended wear; soft toe for light-wearing comfort Shovel shank guard supports the arches, reducing leg and foot fatigue when digging Heavy-duty TracTread outsole for improved grip and traction on slippery surfaces and rough terrain Recommended use: boat decks, irrigation, general outdoor use, hunting, construction, farm & equestrian