These 092649001 Timberland Pro Men's Powertrain Safety Shoes are designed with functionality and dependability in mind. Timberland PRO series helps working professionals perform at their best on the job. Timberland PRO Boot series delivers high performance safety boots and shoes that provide comfort, durability, and protection. Premium Microfiber Leather and Breathable MeshMesh Lining with Antimicrobial Treatment for Odor Control and Comfortable FeetConductive Polyurethane Midsole for Consistent Static-Dissipative PerformanceFiberglass Shank for Structural SupportCement Construction for Flexibility and Reduced Break-In TimeNew Proprietary Outsole with Built-In Anti-Fatigue Technology to Provide Shock Absorption and Energy ReturnAlloy Safety Toe Rated ASTM F2412-11 and ASTM F2413-11ESD092649001 Timberland Pro Men's Powertrain SD Safety Shoes - Black/Gray