Carhartt 400021 Greenfields Rugged Flex 02 Occupational Work Boot

Designed for professionals who demand durability and all‑day comfort, the Carhartt 400021 Greenfields Rugged Flex 02 Occupational Work Boot blends rugged protection with effortless movement on demanding jobsites.

Regular fit: Standard width with a comfortable toe box to support all-day wear and thicker socks when needed.
Rugged Flex technology: Flexible construction that allows natural movement, reducing fatigue during long shifts.
Hydro-treated full-grain leather upper: Water-repellent finish and exceptional durability to withstand damp conditions.
Mesh lining: Breathable interior that helps keep feet cooler and drier throughout the day.
Lace-up closure with coated iron eyelets: Secure, long‑lasting hardware designed for tough, industrial environments.
Removable energy-absorbing heel insole: Cushioned footbed with anti-odor properties for all‑day comfort and freshness.
Polyurethane injected midsole: Lightweight, responsive cushioning that absorbs impact underfoot.
Rugged rubber outsole: Oil-resistant (SR), heat-resistant (HRO up to 300°C), fuel-oil resistant (FO), and heat-insulating (HI for 30 minutes at 150°C) for varied work hazards.
Lightweight stability shank: Provides arch support and stability to reduce fatigue on uneven terrain.
Certification: EN ISO 20347:2022 (02) ensures compliance with recognized occupational footwear standards.

These features translate into practical benefits on the job: you get reliable protection against oil, fuels, and heat, combined with comfort that lasts through long shifts. The reinforced leather and durable hardware stand up to daily wear on construction sites, warehouses, manufacturing floors, and outdoor maintenance tasks. With breathable lining, a cushioned insole, and a flexible fit, the Greenfields Rugged Flex 02 supports your feet while you move, climb, and carry through demanding work environments.