Rocky GritArmorArm yourself with powerful protection during your workday with the Rocky GritArmor work boot. Get a durable construction with materials like nylon, full-grain leather, and a molded rubber toe and heel guard. Work your way through navigating rough terrains with the rugged Lynx outsole. A layer of Thinsulate insulation adds warmth during the cooler months. The GritArmor lives up to its name, providing a study armor against potential job hazards with composite safety toe protection and waterproof construction.