These static dissipative composite toe boots deliver trusted chippewa performance with a sleek new look. they're equipped with our fabricator sd outsole, built for static dissipative environments with an oil-resisting rubber construction that's designed to safely discharge static build-up when in contact with properly grounded floor surfaces. meets or exceeds ASTM f2413-18 standards. this sole also features an increased slip-resisting tread pattern, a wider base for added stability and a 90-degree defined heel for better climbing. this boot meets ASTM f2413 safety footwear standards.