TIMBERLAND PRO. A1Q8D214. MENS GRITSTONE 6 INCH STEEL TOE WORK BOOTS. BROWN. Stay protected in wet weather and hazardous worksites with tough protection and interior support of the Gritstone. Premium full grain leather upper. Cement construction provides a lightweight construction and easy flexibility. Meets ASTM F2412-11 ASTM F2413-11 and ASTM F2892-11 electrical hazard standards to provide secondary underfoot protection against the hazards of stepping on live electrical circuits electrically energized conductors parts or apparatus.