*The athletic styling of the Timberland Pro Powertrain Sport AL work shoe gives it a modern look in addition to its comfort and performance technologies *Premium ripstop nylon upper *Lace-up closure *Mesh lining with antimicrobial treatment for odor control *Anti-fatigue technology absorbs shock and returns energy to the foot *Single-density polyurethane midsole for electrical hazard resistance *Fiberglass shank for structural support *Oil- and abrasion-resistant dual-density polyurethane outsole is heat resistant up to 248°F *Meets ASTM F2412-11 ASTM F2413-11 and ASTM F2892-11 standards *Safety alloy toe meets US and Canadian safety standards including ASTM F2412-11 and ASTM F2413-11 I/75 and C/75 impact and compression safety standards and CAN/CSA-Z195-14 Grade 1