These Carhartt Greenfields workboots offer a regular fit with Rugged Flex™ technology for ease of movement. They feature a hydro-treated full-grain leather upper, a mesh lining, and a lace-up closure with coated iron eyelets. The boots have a removable insole with anti-odor and absorption properties, a polyurethane injected midsole, and a rubber outsole. The outsole is resistant to oil (SR), heat up to 300°C (HRO), fuel oil (FO), and provides heat insulation for 30 minutes at 150°C (HI). A lightweight stability shank minimizes fatigue. These boots meet EN ISO 20347: 2022 (02) standards. Care instructions: Do not tumble dry, do not dry-clean, do not wash, do not iron, do not bleach.