• Full grain leather. Waterproof and breathable. Fire-resistant • Composite toe cap (light, is magnetic, thermal insulation, heat and cold not transmitted inside) • high tenacity polyester midsole protective ceramic • New Sole: Rubber density of 2 / color / composition PU special (resistant fuel oil, chemical resistance) • CROSSTECH lining (Gore-Tex®): waterproof, breathable, repellent to blood and test liquids • New exterior toe protective rubber • New in the outer rubber ankle protection • rubber Tie new and integrated into the boot to prevent anchors or breakage • Maximum flexibility and indoor comfort