Carhartt 400020 Greenfields Rugged Flex 02 Occupational Work Boot

Engineered for professionals who spend long days on their feet, the Carhartt 400020 Greenfields Rugged Flex 02 boot blends rugged durability with flexible, all‑day comfort. Its hydro‑treated full‑grain leather upper, breathable mesh lining, and protective outsole deliver reliable performance on demanding job sites.

Rugged Flex technology: Provides natural forefoot movement to reduce fatigue while preserving protection during daily tasks.
Hydro‑treated full‑grain leather upper: Water‑resistant and durable exterior designed to withstand tough work environments.
Mesh lining: Promotes airflow and helps manage moisture for cooler, drier feet.
Lace up closure with coated iron eyelets: Secure, long‑lasting closure that stands up to frequent tightening and wear.
Removable energy‑absorbing heel insole: Cushions shocks at heel strike and offers anti‑odor properties for lasting comfort.
Polyurethane injected midsole: Lightweight cushioning that reducing fatigue over long shifts.
Rubber outsole with protective ratings: SR oil resistant, HRO heat resistant to 300°C, FO fuel‑oil resistant, HI heat insulation for 30 minutes at 150°C.
Lightweight stability shank: Supports the foot and minimizes fatigue on stairs, ladders, and uneven surfaces.
EN ISO 20347:2022 (02) certified: Meets international standards for occupational footwear and worker protection.

The Greenfields boot is ideal for construction, manufacturing, automotive, maintenance, and logistics roles where oil exposure, heat, and prolonged wear are common. The combination of water‑resistant leather, breathable lining, and a protective outsole helps you stay focused on the task rather than on your feet. Practical features like the removable insole and lightweight stability shank support comfort and posture across long shifts, while the EN ISO 20347:2022 certification provides assurance of industry‑level protection and reliability.