The Timberland PRO® Gridworks Alloy Safety Toe Waterproof Boot makes sure you get through your workday in good and wet weather with its reliable protection, comfort, and grippy outsole. Premium waterproof leather with waterproof membrane for abrasion resistance and dry feet. Alloy safety toe is shaped on a TiTAN® last for lightweight protection and superior fit. Dual purpose cast metal top hardware for instant lacing customization and increase durability. Unique fingergrip pull-on feature for ease of entry. Breathable mesh lining with antimicrobial treatment for odor control and comfortable feet. Dual-density Dynamic Anti-Fatigue Technology absorbs shock and returns energy at key zones of the foot while providing enhanced moisture management for all-day comfort. Fiberglass shank for structural support. All-weather thermoplastic urethane outsole has a low temperature formulation that maximizes traction on cold surfaces (tested using SATRA TM144:2007 frosted rough ice surface) and extends flexibility in cold environments. Slip, abrasion, and oil-resistant sole is test for volume swell using EN345 TMP ASTM fuel A and Diesel ISO 1817 liquid F for 22 hours and ASTM IRM903 and fuel B for 46 hours. Flat wedge outsole provides maximum ground contact and traction.Alloy safety toe meets I/75, C/75 impact and compression standards, ASTM F2412-11, ASTM F2413-11 and ASTM F2892-11 electrical hazard (EH) standards to provide protection from stepping on live electrical circuits, electrically energized conductors, parts, or apparatus.