Timberland Pro Powertrain Alloy Toe Static Dissipative Waterproof Leather Work Shoes Our Powertrain Sport leather work shoes feature alloy safety toes, self-molding footbeds, built-in static-dissipative performance, waterproof protection and anti-fatigue technology: Everything you need for a successful day on the job site Complies with United States Army AR 670-1 Boot Compliance guidelines Ever-Guard™ leather uppers with TPU toe overlays for durability WATERPROOF MEMBRANE: Water-impermeable membrane keeps feet drier and delivers superior waterproof protection. Also provides blood-borne pathogen protection Alloy safety toes Cement construction for flexibility and reduced break-in time Ghillie lacing system Mesh lining with antimicrobial treatment for odor control and comfortable feet Single-density open-cell polyurethane footbeds for constant static-dissipative performance Fiberglass shank for structural support Anti-fatigue technology is built into the outsole Dual-density polyurethane outsoles are oil resistant per SATRA TM63, heat resistant up to 248 degrees Fahrenheit and resist abrasion Weight of a single shoe (size 7) is .9 pounds Static Dissipative