This waterproof boot is made with responsible and recycled materials. It features an alloy safety toe puncture-resistant plate and anti-fatigue technololgy for all-day comfortPremium leather from a tannery rated silver for sustainabilityAlloy safety toeReBOTL fabric linings made with at least 40 percent recycled plasticWaterproof membraneAnti-fatigue technologyMetallic puncture-resistant plateMoisture wicking lining with anti-microbial treatment for odor control