Ranger 16" Heavy Duty Men's Rubber Insulated Work Boots, Marsh Brown (78590) 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 Polymeric foam insulation protects feet from cold weather conditions; durable and comfortable fabric lining for easy on/off; two-buckle closure on expandable gusset for easy of entry and a secure fit Soft, felt midsole for additional warmth and comfort underfoot; steel shank supports the arch, reducing leg and foot fatigue Heavy-duty TracTread outsole for improved grip on slippery surfaces and rough terrain; reinforced heel for durability; soft toe for light-wearing comfort Recommended use: construction, farm and equestrian, general purpose, damp or muddy conditions